The spare small wedges in BNL

Wedge ID FNAL Grade Bent? Test Status Good Spare?
A006 A Yes Calibration bad, used for radiation test No
A007 A Yes Chip 6 diabled, used for radiation test No
A009 A No Preliminary Bad, used for radiation test No
A016 A No Preliminary Bad, used for radiation test No
A017 A No Preliminary Bad, used for radiation test No
A027 B No Untested in BNL Yes
A038 B No Untested in BNL Yes
A052 C No Untested in BNL, used for radiation test Yes
A060 B No Untested in BNL Yes
A066 B No Untested in BNL Yes
A067 B No Untested in BNL Yes
A071 B No Untested in BNL Yes
A072 B No Untested in BNL Yes
A076 A Yes High bias current No
A077 A Yes Low efficiency, used for radiation test No
A088 B No Untested in BNL Yes
A097 A No High bias current issue was fixed, used for radiation test Yes
A104 A Yes Final test was bad, used for radiation test No
A118 A Yes High bias current No

Summary:

  • The total number of small spare wedges is 19.
  • The number of good unbent small spare wedges is 10.
  • The spare large wedges in BNL

    Wedge ID FNAL Grade Bent? Test Status Good Spare?
    B003 A Yes Final test bad No
    B019 A- No Preliminary Good Yes
    B025 A- Yes Final test 3 dead and 4 hot channles Y
    B064 A Yes Final test bad, used for IR radiation damage test No
    B133 A Yes Final test 1 hot channel Y
    B190 A- No Preliminary Good Yes
    B193 A Yes Final test all chips at side 1 inefficient No
    B207 A Yes Final test all chips at side 1 inefficient No
    B257 A Yes Final test 13 dead and 3 inefficient channles Y
    B267 A No Preliminary Good Yes
    B288 ? No Preliminary bad No
    B290 B No Preliminary Good Yes
    B293 A Yes Unknown Y
    B294 C No Preliminary Good Yes
    B295 F No Preliminary Good Yes
    B302 B Yes Final test about 30 dead channels Y
    B312 A Yes A little bit high bias current Y
    B318 A No Preliminary Good Yes
    B319 B No Preliminary Good Yes
    B321 A No Preliminary Good Yes
    B322 C No Preliminary inefficient chip 1 at side 1 Yes
    B323 A No Preliminary Good Yes
    B325 A- No Preliminary Good Yes
    B328 B No Preliminary Good Yes
    B331 ? No Preliminary Good Yes
    B332 ? No Preliminary Good Yes
    B333 ? No Preliminary missing 1 chip Yes
    B334 ? No A little bit high current Yes
    B335 ? No Preliminary Good Yes
    B336 ? No Preliminary Good Yes

    Summary:

  • The total number of large spare wedges is 30.
  • The number of good unbent large spare wedges is 25.