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Dicing of APV Readout Chips for FGT & IST

Dicing of APV Readout Chips for FGT & IST. Gerrit van Nieuwenhuizen FGT meeting BNL, February 27, 2009. Number of chips needed. FGT: 600 chips (50% spares, 40% cont.) IST: 1800 chips (10% spares, 40% cont.) 2400 APV25-S1 chips to procure. 2. Gerrit van Nieuwenhuizen. February 27, 2009.

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Dicing of APV Readout Chips for FGT & IST

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  1. Dicing of APV Readout Chips for FGT & IST Gerrit van Nieuwenhuizen FGT meeting BNL, February 27, 2009

  2. Number of chips needed FGT: 600 chips (50% spares, 40% cont.) IST: 1800 chips (10% spares, 40% cont.) 2400 APV25-S1 chips to procure 2 Gerrit van Nieuwenhuizen February 27, 2009

  3. 8 APV Wafers at MIT 3 Gerrit van Nieuwenhuizen February 27, 2009

  4. How many good chips? Each wafer has its ID etched in All chips on the wafers were probedfor functionality Good chip maps are available for all wafers 4 Gerrit van Nieuwenhuizen February 27, 2009

  5. Known Good Die (KGD) maps And the final tally is....................................................... ........................... 5 Gerrit van Nieuwenhuizen February 27, 2009

  6. Number of good APV25-S1 chips 6 Gerrit van Nieuwenhuizen February 27, 2009

  7. Dicing options San Jose, CA based Used with success by LBNL San Jose, CA based Used with success by LBNL Upton, NY based Laser dicing machine 7 Gerrit van Nieuwenhuizen February 27, 2009

  8. Dicing information We have the 8 wafers We have the reticle drawing Minimize the dicing cuts Get quotation.................................... 8 Gerrit van Nieuwenhuizen February 27, 2009

  9. Dicing quotation 9 Gerrit van Nieuwenhuizen February 27, 2009

  10. Dicing first wafer ← Shipped to APV Arrived yesterday Back diced to MIT on tape next week Take off tape and store chips in Gel-Paks Test some chips 10 Gerrit van Nieuwenhuizen February 27, 2009

  11. Concluding remarks We have 8 APV25-S1 wafers These wafers should provide plenty of readout chipsfor both FGT and IST First wafer out for dicing, back next week Test some chips, if OK then dice remaining 7 wafers 11 Gerrit van Nieuwenhuizen February 27, 2009

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