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Improve CPU picking up process to reduce the socket-T failure rate at FT,Prepare by: James Miao 2008/1,ASUS Confidential,Project Description,Subject: Improve CPU picking up process to reduce the socket-T failure rate at FT Team members: Process Leader: JINNLI SHEU Process Team: James MIAO; Oscar HU; Frank ZHU; QA team,ASUS Confidential,Current Situation,From the Jan. to Dec. 2007,The socket-T defect rates by handling issue on FT station was 369DPPM.,ASUS Confidential,Detailed data (DPPM),Root cause analysis,Top1 issue is the tools issues of test CPU picking up and need to be improved.,ASUS Confidential,Plan and schedule-Gantt chart,ASUS Confidential,Target setting,We expect to reduce the defect rates from 369DPPM to 100DPPM by this CIP.,369 DPPM,100DPPM,ASUS Confidential,Root cause Analysis,Current situation: 1: The tools will wrap that CPU will drop off to damage the socket-T during transportation. 2. The spring of tools is easy loose that CPU will drop off to damage the socket-T during transportation. 3: The test operator is very hard to put the CPU properly due to the area is covered by hand and tools.,1:tools,2: Pickup test CPU,3:Put the test CPU into the Socket-T,4:Remove test CPU from the Socket-T,Current Operating procedure at FT station,ASUS Confidential,Corrective Action,1:tools,2: Pickup test CPU,3:Put the test CPU into the Socket-T,4:Remove test CPU from the Socket-T,Improved operating procedure at FT station,Improved situation: 1: The tools will not wrap and easy to maintenance, It has long life cycle 2: The feeder keeps in touch more prominent and more firm with CPU during transportation. The size of suction can be controlled 3: Its easy to use, just finger pins the barometric holes to pick up and loosen to put down. It will reduce the defect rates by operation issue. 4: The test operator is easy to put the CPU properly due to the sight is not obstructed around CPU,ASUS Confidential,Check the result,By the improvement the defect rates by handling issue on FT station reduced from 369DPPM to 103DPPM.,ASUS Confidential,New tools channel schedule,ASUS Confidential,Q&A,
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