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     Advanced Material On TECHnology                                1
                                  Advanced Material On TECHnology
                      EMI-ESD Solution of
                                  AMOTECH


                                     Sep. 2004

                                  AMOTECH Co.
                                  www.amotech.co.kr

Advanced Material On TECHnology                       2
AMOTECH is…
                                                  AMOTECH Biz. Division
          AMOTECH is
              built on advanced materials, the cornerstone of future industries, AMOTECH
              (Advanced Materials On TECHnology) designs, develops, manufactures and
              markets a broad range of high quality components and materials to serve the
              telecommunications and energy conversion industries worldwide.



                                             AMOTECH Co.




                AMOS Div.                     AMECS Div.                 AMOTRON Div.

                                          Ceramic Component
              Amorphous Core                                               BLDC Motor
                                        (Chip Varistor, RF Comp.)




      Advanced Material On TECHnology                                                       3
                                     Major Customers – Mobile Phone
AMOTECH in the Market




         AREA                   CUSTOMER                     ITEM                    Monthly Volume ( pcs ) – Q1. 2004
        Domestic               SAMSUNG, etc           0402 , 0603, Array                           210 Million
        Overseas                                         0402 , 0603                               90 Million
          Total                                                                                 300 Million



        Worldwide Market Share – Mobile Devices

                            Company ‘M’       Etc.
              Company ‘T’       3%            9%
                   17 %
                                                     Company           Note) Calculating Market Share for only Hand-Held
                                                       ‘A’                   Electronics Devices
      Company ‘E’
                                                      18 %
         25 %


                              AMOTECH
                                 28 %




       Advanced Material On TECHnology                                                                                     4
Competitiveness
      - Product & Value
                                                                        Product Line-up
         AMOTECH’S products line-up of varistors & Filters, ranging from ultra low cap single to array
         which has EMI filter effect with various capacitance value, can offer total solutions for ESD/ EMI
         protection in mobile phone.


         Single type :             0402 size
         Array type      : 2-Array, 0405 (2 of 0402)             Low Capacitance Series (3 pF ~ 100 pF)
                           4-Array, 0508 (4 of 0402)              Ultra low Capacitance ( Typ. 0.8 pF )
                                    0405 (4 of 0201)
                           8-Array, 0508 (8 of 0201)

                          For effective design                       For high data trans. rate

                                      Effectiveness in ESD/ EMI Protection
                          For EMI sensitive ICs                   For sensitive signal intensity


         ESD Filter Series with EMI filter effect.
                                                                  Ignorable attenuation value in ULCV
         Feed-thru type EMI




       Advanced Material On TECHnology                                                                        5
AMOTECH in the Market
                                   AMOTECH ESD/EMI Components

                          Single                 2-elements          4-elements           8-elements

                   0402       ULCV(0.8 pF)         0405       0508          0405             0508
   ESD                                                                             New              New



                                           New

                                                                                         0508
                              0508                                                           New
                                     New




   ESD
    +
   EMI




       Advanced Material On TECHnology                                                                    6
Spec. of new products
                                                       Dimension of Array Type I
      1. Dimension – AVSC 04F Series

              ① 0405 = 4 elements of 0201 size


                                    L




                                                  BL
                                                       GW
                        W




                                                                                    t
                            BW           GL




            L               W                 t               BW           BL           GW         GL

       1.40±0.10        0.90±0.10       0.55±0.15           0.30±0.05   0.25±0.10   0.30±0.05   0.25±0.10



       Advanced Material On TECHnology                                                                      7
Spec. of new products
                                                  Dimension of Array Type II
      1. Dimension –AVSC 05E, AVFC, AVRC 05Q Series

       ② 0508 = 8 elements of 0201 size




                                                  BL
                                 L




                                                  GW
                   W




                                                                             t
                        BW
                                         GL



            L                W                t          BW         BL           GW       GL

       2.05±0.2          1.25±0.15       0.55±0.15     0.25±0.1   0.18±0.1   0.35±0.1   0.25±0.1



       Advanced Material On TECHnology                                                             8
Spec. of new products
                                                 Compact Array Varistor
      2. Recommended Land Pattern

              ① 0405 = 4 elements of 0201 size      ② 0508 = 8 elements of 0201 size




       Advanced Material On TECHnology                                                 9
Spec. of new products
                                                   Compact Array Varistor
      1. Equivalent Circuit




    ① 0405 = 4 elements of 0201 size ② 0508 = 8 elements of 0201 size   ③ Connection Method




       Advanced Material On TECHnology                                                        10
Spec. of new products
                                                        Conditions of ESD Test
      Test Method : IEC61000-4-2 , Level 4, 8kV Contact Discharge
                    150pF,330 Ω(Human Body Model)




                   50~100MΩ       330 Ω



    DC HV                        150pF    TEST SAMPLE

                                                         I/O Impedance 50 Ω
                                                           Frequency Range
                                                               DC-4GHz        1GHz,5GS/s



                                                        60dB ATTENUATOR         OSCILLOSCOPE
                        ESD SIMULATOR                   (1000:1 probe)




       Advanced Material On TECHnology                                                         11
Spec. of new products
                                                                                               Compact Array
                  2. ESD Protection Effect – AVSC 5S 05E 025



                              Without Compact Array                                         With Compact Array

                   1600                                                          500


                                                                                 400
                   1200
                                                                                 300




                                                                   Voltage [V]
    Voltage [V]




                   800                                                           200


                                                                                 100

                   400
                                                                                   0


                                                                                 -100
                     0

                                                                                 -200
                          0    20     40           60   80   100                        0     20     40           60   80   100
                                           Time [ns]                                                      Time [ns]




                  Advanced Material On TECHnology                                                                                 12
Spec. of new products
                                                                       Compact Array
      3. Cross Talk



                                                                      Between 1- 8
                                                    0


                                                   -10


                                                   -20


                                                   -30




                                         IL (dB)
                   ①      ⑧                        -40

                   ②      ⑦                        -50

                   ③      ⑥
                                                   -60

                   ④      ⑤
                                                   -70
                                                     0.01   0.1   1        10        100   1000

                                                                  Frequency (MHz)




       Advanced Material On TECHnology                                                            13
Spec. of new products
                                 Specifications of Compact Array
    4. Electrical Properties of New Varistor


              Part No             Vdc (V)      Vn (V)   IL (㎂)   C (pF)   IR (MΩ)

        AVSC 5S 05F 050              5         10~18    < 20      50       > 10

        AVSC 5S 05F 025              5         10~18    < 20      25       > 10

        AVSC 14S 05F 015            14         18~28    < 20      15       > 10

        AVSC 18S 05F 007            18         24~36    < 20       7       > 10

        AVSC 5S 05E 050              5         10~18    < 20      50       > 10

        AVSC 5S 05E 025              5         10~18    < 20      25       > 10

        AVSC 14S 05E 015            14         18~28    < 20      15       > 10

        AVSC 18S 05E 007            18         24~36    < 20       7       > 10



       Advanced Material On TECHnology                                              14
Spec. of new products
                                         Feed-thru Type EMI-ESD Filter
      1. Equivalent Circuit




                 of single component                   of 4-elements array




       Advanced Material On TECHnology                                       15
Spec. of new products
                                         Feed-thru Type EMI-ESD Filter
      1-1. Equivalent Circuit Comparison




         Single Chip Varistor      of single component of F-T Filter     What is changed in circuit?

                                             Ls         Ls
                                                                       LP : (Ls + Ls) = 100 : 70

                        LP                                              Fast Response Time
                                                                        Increased ESD Protection
         RV                  RP
                                                      LP’                 LP: Parasitic Inductance
                                                                          LP’: 30% of LP
                                                                          Ls: Series Inductance
                                                                          RV: Varistor Resistance
                                                                          RP: ZnO Resistance




       Advanced Material On TECHnology                                                                 16
Spec. of new products
                                                           Feed-thru Type EMI-ESD Filter
                  2. ESD Protection Effect – AVFC 5S 05Q 050



                             Without Feed-thru Type Filter                                       With Feed-thru Type Filter


                  1600                                                                500


                                                                                      400

                  1200
                                                                                      300




                                                                        Voltage [V]
    Voltage [V]




                                                                                      200
                   800

                                                                                      100

                   400
                                                                                        0


                                                                                      -100
                    0

                                                                                      -200
                         0       20      40           60     80   100                        0    20       40               60   80   100

                                              Time [ns]                                                         Time [ns]




                  Advanced Material On TECHnology                                                                                           17
Spec. of new products
                                         Feed-thru Type EMI-ESD Filter
      3. EMI Filtering Effect



                          0

                      -10

                      -20
                 IL(dB)




                                   AVFC 18S05Q015
                      -30          AVFC 14S05Q030
                                   AVFC 5S05Q050                              15pF
                                                                       30pF
                      -40          AVFC 5S05Q100                50pF
                                                        100pF

                      -50
                              10           100               1000              5000
                                           Frequency (MHz)


       Advanced Material On TECHnology                                                18
Spec. of new products
                                         R-C Type EMI-ESD Filter
      1. Equivalent Circuit




                 of single component             of 4-elements array




       Advanced Material On TECHnology                                 19
Spec. of new products
                                                               R-C Type EMI-ESD Filter
                  2. ESD Protection Effect



                              Without R-C Type Filter                                         With R-C Type Filter

                   1600                                                            500


                                                                                   400
                   1200
                                                                                   300
    Voltage [V]




                                                                     Voltage [V]
                   800                                                             200


                                                                                   100

                   400
                                                                                     0


                                                                                   -100
                     0

                                                                                   -200
                          0     20      40           60   80   100                        0   20      40               60   80   100
                                             Time [ns]                                                     Time [ns]




                  Advanced Material On TECHnology                                                                                      20
                                  Simulation of ESD Protection
                                                           1600

                                                                                                   (1)
                                                           1200




                                             Voltage [V]
                                                           800



                                                           400

(1)                                   (2)
                                                             0


                                                                  0    20   40          60    80         100
                                                            500
                                                                                 Time [ns]

                                                            400                                    (2)
                                                            300




                                            Voltage [V]
                                                            200

                                                            100

                                                              0

                                                            -100

                                                            -200
                                                                   0   20   40           60   80         100
                                                                                 Time [ns]


Advanced Material On TECHnology                                                                                21
Spec. of new products
                                                  R-C Type EMI-ESD Filter
      3. EMI Filtering Effect



                         0

                     -10

                     -20
                IL(dB)




                                  AVRC 18S05Q015100R
                     -30          AVRC 14S05Q030100R
                                  AVRC 5S05Q050100R                          15pF
                                                                      30pF
                     -40          AVRC 5S05Q100100R            50pF
                                                       100pF

                     -50
                             10              100                 1000         3000
                                           Frequency (MHz)


       Advanced Material On TECHnology                                               22
                                               EMI- Filtering
                                           0
                                     -10




                                  IL(dB)
                                     -20
                                     -30
                                     -40
                                     -50
                                        10       100         1000 3000
                                                Frequency (MHz)




Advanced Material On TECHnology                                    23
Spec. of new products
                           Specification of New EMI-ESD Filter
      4. Electrical Properties of New Varistor


             Part Number          Vdc (V)        Vn(V)   IL(㎂)   C(pF)   IR(MΩ)   Rdc(Ω)

      AVRC 5S 05Q100 100R            5       10~18       < 20    100      > 10     100

     AVRC 5S 05Q 050 100R            5       10~18       < 20     50      > 10     100

     AVRC 14S 05Q 030 100R          14       18~28       < 20     30      > 10     100

     AVRC 18S 05Q 015 100R          18       24~36       < 20     15      > 10     100

         AVFC 5S 05Q 100             5       10~18       < 20    100      > 10      -

         AVFC 5S 05Q 050             5       10~18       < 20     50      > 10      -

         AVFC 14S 05Q 030           14       18~28       < 20     30      > 10      -

         AVFC 18S 05Q 015           18       24~36       < 20     15      > 10      -



       Advanced Material On TECHnology                                                     24
Spec. of new products
                                                                               EMI-ESD Filter
            4. Cross Talk ( Between channel 1- 2)



                     AVFC 5S 05Q 050                                           AVRC 5S 05Q 050 100R

  0                                                                  0



 -10                                                                -10



 -20
                                                    ①   ②   ③   ④
                                                                    -20



 -30                                                                -30



 -40                                                                -40



 -50                                                                -50
       10                100             1000                             10         100             1000

                       Frequency(MHz)                                               Frequency(MHz)




            Advanced Material On TECHnology                                                                 25
MLV Application
                                         How to use chip varistor
            ESD Current




                                                          IC

 Placed Chip varistor at the
 edge of the PCB, ground
 directly using wide tracks
 and multiple vias.
 Route tracks through the
 ESD suppressor.                                               PCB


       Advanced Material On TECHnology                               26
MLV Application
                                    Capacitance vs. Transmission Rate
          Capacitance (pF)   1000
                                                                       USB 1.1
                                                                       USB 2.0

                             100


         ~35 pF

                              10

               ~4 pF



                               1
                                  4      5        6          7          8         9
                                10      10       10         10         10        10
                                             Transmission Rate (bps)

       Advanced Material On TECHnology                                                27
                                                                              •LCD Part
ESD filter Application




                     LCD Driver IC                     1. Main Chip of Cell Phone can generate the
                                                          EMI noise.
                            R-Array
                                                       2. LCD Driver IC has to be protected from ESD
                                                         and EMI noise.
        AVSC                                 AVSC
                  R-Array
                                                       3. Multi function Protection is needed in both
                                               LCD        side
                         Connector            Module
                                                       4. Compact array with R-arrays or EMI-ESD
                                                         filters are highly recommended for this
                                      AVRC               complex problems.
                            AVFC
                                                       5. Recommended Model
                                                        AVRC, AVFC, AVSC with R-Array
                   AVFC
                                                        R value for Array are 50, 100 Ω

                         Main Chip                     ► Cp value depends on data transmission rate.



        Advanced Material On TECHnology                                                                 28
                              Applications in Camera Module
           single Varistors                   Compact Array




         Number of Soldering :7 times       Number of Soldering :1 time
         Occupied Area: 0402 x 7 = 2814     Occupied Area: 0805 x 1 = 0805




Advanced Material On TECHnology                                              29
                                                               Real Application
1. Selecting LCD module which has higher ESD protection level.
 Before LCD module is selected, must request module designer to use a
   ESD suppressor for protection.




                   Fig. 1 Reference model of speaker & receiver in LCD Module.


  Advanced Material On TECHnology                                                 30
                                                              Real Application




               Fig. 2 Reference model of junction & control line in LCD Module.


Advanced Material On TECHnology                                                   31
                                  Real Application in LCD




Advanced Material On TECHnology                             32

				
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