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NOKIA手机-生产工艺文件
【文件名】:07117@52RD_NOKIA手机-生产工艺文件.rar
【格 式】:rar
【大 小】:60K
【简 介】:
【目 录】:
Contents
1. SHIPPING, STORAGE and PRODUCTION ENVIRONMENT..................................................... 2
1.1 General shipping and storage conditions................................................................................... 2
1.2 Storage and handling conditions for solder paste...................................................................... 2
1.3 Storage conditions for underfill epoxy materials........................................................................ 3
1.4 Storage and handling conditions for printed wiring boards [PWBs]........................................... 4
1.5 Shelf life time for different component categories.................................................................... 5
1.6 Drying (baking) moisture sensitive devices............................................................................... 6
2. PASTE SPECIFICATIONS.............................................................................................................. 7
3. STENCIL PRINTING PROCESS SPECIFICATIONS.................................................................... 8
3.1 Squeegee................................................................................................................................... 8
3.2 Stencil......................................................................................................................................... 8
3.3 Support tables............................................................................................................................ 9
3.4 Printing process parameters (stencil printing).......................................................................... 10
4. Statistical Printing Process Control, SPPC........................................................... 11
4.1 Alarm and control limit settings................................................................................................ 11
4.2 Actions when the machine alarms........................................................................................... 12
4.3 Handling of statistical process information.............................................................................. 12
5. AUTOMATED OPTICAL INSPECTION, AOI............................................................................... 12
5.1 Location of the machine in the production line........................................................................ 12
5.2 Utilisation of inspection results................................................................................................. 12
5.3 Component and paste alarm limits.......................................................................................... 12
6. Reflow soldering process specification................................................................ 13
6.1 Profile measurement equipment.............................................................................................. 13
6.2 Reflow profile measurement method...................................................................................... 13
6.3 Reflow profile specification...................................................................................................... 14
6.4 Recommended reflow oven settings....................................................................................... 15
7. MANUAL SOLDERING PROCESS AND WORKMANSHIP CRITERIA.................................... 15
7.1 Manual and semi-automatic hot gas soldering and rework..................................................... 15
7.2 Manual soldering and rework using soldering iron................................................................... 16
7.3 CSP rework.............................................................................................................................. 16
7.4 Specifications for visual inspection; error criteria, faults classification and training material.. 17
8. Underfill process................................................................................................................ 17
8.1 General..................................................................................................................................... 17
8.2 Dispencing pattern for CSP components................................................................................ 18
9. PLACEMENT PROCESS SPECIFICATIONS.............................................................................. 19
9.1 Nozzles..................................................................................................................................... 19
9.2 Feeders.................................................................................................................................... 19
9.3 NC-Programs........................................................................................................................... 19
9.4 Part Data / Vision processing................................................................................................... 20
9.5 Placement process management data compatibility table...................................................... 20 |
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