Strasbourg status Ring 7 pilot run Franois Didierjean 18 modules received from Lyon Si 1Si 2 views of bonding Si Si PA - Si Gluing of the ceramic stiffeners on the back side for 12 modules New bonding jig vacuum holes on the ceramic stiffeners Procedure : 1.The bias ring bonding and IV curves all OK except 2 bad modules : current up to 10 amp at 200 V for ##281 module current up to 10 amp at 100 V for ##291 module OK bad 2. Bonding Si Si every 50 strips (11 wires) and PA Si every 50 strips (11 wires) pull test : PA-Si Si-Si / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / / /- 0.4 results without angle correction Angle correction : standardizing to 30 measurement angle : 18 correcting factor : 75% pull strengthhook wire 3. The full module bonding 2 x 512 wires on one go. Repairing : on 5 modules : one wire Si Si on 9 modules : up to 5 wires PA Si 4. Optical inspection : OK 5. ARC and LED tests IV curves are identical before and after bonding. LED resultsDB data from sensor group