Folded_SHARC_PUD_Inventory.xls

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Folded_SHARC_PUD_Inventory.xls Powered By Docstoc
					HAWC/CSO Detector Screening                                                                                                                  Run number: CSO 1


                                                                                                                   Missing or
                                                                                                                   questionabl
Wafer Number            Die number Comments                                                                        e Pixels
                                                                                                      Category (Definitions: 1-excellent, 2-as is, 3-reject)
      2041.72 NSN       LH3                                                                                      1
                                   Etch pit in lead 62. Open pixel 31. Fram therm scratched. Pixels
     2041.72            LH1        clean.                                                                         2            1
     2041.72 NSN        LH7        Pixel 23, weak lead but contact is made. Pixels clean.                         2
                                   Pixel 3 lead has front etch irregularity. Looks like lead is
     2041.72            RH1        continuous.                                                                    2
                                   Short in front etch between leads 8-9. 28-29-30 shorted through
     2041.72            RH2        front etch.                                                                    2
                                   Metal on lead 23 scratched but implant is whole. Several leads
     2041.72 NSN        LH5        shorted in front etch layer. Once "swath" below pixel 9.                       2
     2041.72            RH6                                                                                       1
     2041.72            RH 4       Several shorted leads in front etch.                                           2
     2041.72            RH3                                                                                       1
                                   Small metal speck on pixel 32. Some silicno bridging on pixel 31
                                   torsion bar. Front etch covering one lead on pixel 2. Entact.
     2041.72            RH5        Break in metal on lead 16. Implant entact. Another break on 27.                2            1
     2041.72            RH7        Almost bridge pixel 29-30 in front etch.                                       1
     2041.72            LH8        Etch pit 50-51-52. Leads open.                                                 2            2
Prepared by: C. Allen                                                                                                                  Wafer 5311.7000                                                                     5/1/2013




        Wafer #         Die #                                                                                      Backshort
                                                                                                                distance range,
                                                                                                               mm. Typically, 6-
Bus                                                                                PUD     Missing or               10 pixels
Bar #                           PUD Comments                                      Category questionable Pixels     measured                           Fold Comments                                 See Photo
          5311.7000 RH8         2-Pin hole in det. 3-4 Debris on dets. Large.
                                Shorts dets together. 25- Small fleck of                                            75 - 109         crud on underside of pixels. Looks like something
                                metal on det. Pad 56-Pin hole in pad (no                                       extremes, mostly     spilled. #1 large piece of debris. #2 large pit. #3 &
   1                            effect)                                              2                       2      85 - 106            #4 attached. #32 & 1/2 of #31 different color.
          5311.7000 RH2         22-one lead possibly open. Requires test to                                                          Bus Bar backshort manufactured extra thick, PUD
                                verify. 19-Leads shorted with metal. Bad det.              2, 3 Selected for     Bond pad side,        frame came into contact during 2nd alignment.
                                5 Lead 10-Etch pit, open, bad det. Lead 24-                bismuth deposition.   70 - 81. Other     Squeezed glue out, possibly up straps a short ways.
   4                            front etch debris, but okay.                         2     To fold. 3/20/01       side, 54 - 88       #32 is distorted, possibly from glue. No bus bar       BB#4 measured heights.jpg
   5        2041.72 LH8         Etch pit 50-51-52. Leads open.                       2                       2       68 - 107                      2nd alignment too low.
          5311.7000 RH3
                                                                                                                      93 - 107    #2 broken leg. #1,5,11,12,29 puckered differently. 9
                                                                                                                 extremes, mostly um variation in backshort distance. #31, big piece of
   6                            22-Small etch pit. 31-Small metal on det.            2                                96 - 105                     crud middle of pixel.

                                                                                                                      89 - 109   Salvaged bus bar from fold #2 disaster. #1 Fiber, #20
                                                                                                                 extremes, mostly blob,#26 - #29 slight leg defect 1 leg (same leg on
   7        2041.72 RH6                                                              1                                95 - 108                 each), #29 junk on strap.
          5311.7000 RH7
                                1-Si flake on torsoin bar. Small metal flake on                                                      #10, #11 1 broken leg. #3, #8 2 legs broken. #1,
                                det. 4- Pin hole in det. 11-12 Streak across                                                        pixel joined to leg. #17, blemish on leg.#32, crud on
   8                            dets. Defects not likely to affect operation.        2                              101 - 112                          strap, flaw in leg.
                                                                                                                                  #32 big fiber. #1 has several clear globules, 4um - 61
                                                                                                                      86 - 109     um dia. #3, #4 have 1 large globule each. Bus bar
                                Pixel 23, weak lead but contact is made.                                         extremes, mostly has crack, but survived 10 cycles to LN2. Backshort
   9        2041.72 LH7         Pixels clean.                                        2                                90 - 105                    edge has plating defect.
          5311.7000 LH5
                                                                                                                                    #17, #18 defect on pixel. #19 - #32, hair / crack in 1
                                                                                                                                    (conductor) leg. #29, fiber on strap. # 30, defect on
                                                                                                                                    torsion bar #31, big crack across pixel. #32 broken.
                                                                                                                                     Looks like absorber misaligned, only goes ~60% -
  10                            32-Broken, 31-Broken, 17-Small metal                 2                       2       98 - 110         70% across pixels. Lots of debris all over PUDs.
          5311.7000 RH6                                                                                                           #1-#8 Less pucker. #9 - #17 more pucker. #18 - #32
                                                                                                                      89 - 118    Lots of Pucker. #8 blemish on leg. #1 big, ugly flaw on
                                                                                                                 extremes, mostly   backside. Variety of pixel offsets to side, ~17 um.
  11                            Piece of debris on 2 leads                           1                               100 - 118                        #13 flaw in leg.
                                                                                                                                    Bus bar has small plating defect on backshort side
                                                                                                                                  near both ends and on top, thermometer side. #2 has
                                                                                                                                  piece of crud. #14, #24 leg has defect. #32 fiber. #1
                                                                                                                                    - #3 small, glassy sphere on pixel. #12, #16 small
  12        2041.72 RH7         Almost bridge pixel 29-30 in front etch.             1                                98 - 113               hole in pixel. #32 fiber on pixel.
                                                                                                                      42 - 113
                                                                                                                 extremes, mostly
                                                                                                                   60 - 105 (#1-
                                24, small fleck of metal on pixel. 18 "same".                                     #15), 80 - 111 Weird, uneven patterns in Bismuth. Severe puckering
  13         5045.7 LH7         Shorts in silicon between some wires                 2                              (#16 - #32)                  ~40 um. #24 hole in pixel.                         BB#13.jpg
  14      5311.7000 LH3         32-Chunk of debris on det.                           1                               86 - 105                     #32 Large piece of crud.


                                Metal on lead 23 scratched but implant is                                                            #1 has big pit, torsion bar connected to pixel, pixel
                                whole. Several leads shorted in front etch                                                          distorted. #1 - #8 have ragged edges. #1 - #5 have
  16        2041.72 LH5         layer. Once "swath" below pixel 9.                   2                               91 - 105                        pits / bumps / marks.                          BB#16.jpg

                                                                                                                                    #1 - #3 seems to have no bismuth, tapering up to #7,
                                                                                                                                        swirls and blobs (see photo BB#17). Puckered
                                                                                                                                     differently. #11, specks. #21 - #30, small circles of
  17        2041.72 LH3                                                              1                               91 - 103                    less bismuth. #32, broken leg.                     BB#17.jpg
                                                                                                                                     Bus bar has small plating defect on backshort side
                                                                                                                                      near one end. Small machining error 1 mil step in
                                                                                                                                       PUD glue area. #1 warped & splattered. Small
                                                                                                                   #1, 66 - 103.      circular marks on #2,#11,#13,#14, #24 - #27, #32.
                                                                                                                   The rest, 84 -    Large circular mark spanning #6 - #8, covering max
  18              5045 LH8                                                                                              110                                20% of #7.
                                                                                                                  90-104, except       #1 warped,edge chewed up. #2-#14 moderately
                                Scratch across lead 64-42. Not through                                            #1 & #32, 80 -      puckered. #11 crud on strap, #32 crud on trace on
  20          5045.7 RH6        silicon. Scratch across strap 23.                    2                                  105                              main pixel body




PUD visual screening                                                                                                                                                                                                     CSO Run 1
                                                                                                             Missing or
                                                                                                             questionabl
Wafer Number       Die number Comments                                                                       e Pixels
                                                                                                Category (Definitions: 1-excellent, 2-as is, 3-reject)
       5054.7      RH8        Surface debris across 33,34 wires on frame.                                  1
                              Light scratch across pads from 18-64. Not through. Scratch
      5054.7       RH5        across strap on 31 & 32.
                              24, small fleck of metal on pixel. 18 "same". Shorts in silicon
      5054.7 NSN   LH7        between some wires                                                            2
      5054.7 NSN   LH3        30,31,32 broken pixels                                                        3            3
                              Scratch across lead 64-42. Not through silicon. Scratch across
      5054.7       RH6        strap 23.                                                                     2
      5054.7
      5054.7
      5054.7
      5054.7
      5054.7
      5054.7
      5054.7

				
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posted:5/2/2013
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