IPC CH-65B CHINESE.pdf - 第74页

1 1. Camden, E. ( 2010 ) . Effective Spot Cleaning Regardless of Material Selection. IPC / SMT A Cleaning and Coating Conference, Renaissance, Schaumberg, IL. 12. Flaherty , L., Knar , R., & Austin, J. ( 2010 ) . Bui…

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6.7.5 ⾮⼀性材料的控制 性材料,在检查、制程中或者最测试阶段
并与一性的材料、产品分开。
6.7.6 正措 纠正措施是性材料或者质缺陷污染物造成的
元器件可,可清洁,或者退回。制程中的正措施SPC中的
一部
6.7.7 存贮运和 存贮
湿使手套或者机械
手指污染。包装材料是无的。
上覆有时有机保护的印制板是应小心并使用时遵守先
6.7.8 产品认 产品认测试评估满足设计要求的能力。这些测试些常
者最测试更加昂贵们包环境测试高温/高湿环境印制板上
残留物的影
6.7.9 质量信息 所有检查保存质记录助质量人员别缺陷,并证明系统
数据电子的,并以总结报告形定期管理者周)报告应
使势图化和品质数据
6.7.10 运⾏数据 有时,产品产品使期间问题。板的清洗
可能影组装的
量。在这种情况下组装人员可以将这情况。电子组件的OEM
分析端失的主要原因,有可能正确的清洗的。
6.7.11 监视 料、板子和元器件的检查测试监控清洗工
和污染等级要的制参数应清洗设
6.7.12 数据收集报告 数据分析是制的
。有许多种方法使
用,可大范性和量。
考⽂
1. Pauls, Douglas. Test Board Selection for Cleaning Evaluations, Proceedings - IPC Cleaning Conference
2008
2. IPC-9201, The Surface Insulation Resistance (SIR) Handbook, Appendix C.
3. IPC-TP-1090: The Laymans Guide to Qualifying ew Fluxes for MIL-STD-2000A or MT-0002
4. IPC-TP-1114: The Laymans Guide to Qualifying A Process to J-STD-001B
5. Pauls, Douglas. The Effects of Solder Mask Selection on Cleanliness, Conference Proceedings, Apex 2006
6. Pauls, Douglas. The Consequences of Ignoring Residues, Conference Proceedings Apex 2006
7. Adcock, R. (2010). Assembly Cleaning Equipment and Integration. IPC/SMTA Cleaning and Coating
Conference, Renaissance, Schaumburg, IL.
8. Binfield, S. (2010). A High Reliability Perspective on Organic Fluxes and Cleanliness. IPC/SMTA Clean-
ing and Coating Conference, Renaissance, Schaumberg, IL.
9. Bixenman, M. (2010). Development of Inline Aqueous Cleaning Equipment and Process Requirements
for Ultra-low Standoff Components. IPC/SMTA Cleaning and Coating Conference, Renaissance,
Schaumberg, IL.
10. Oxx, G., Brooks R., & Bixenman, M. (2010). Cleaning Lead
-Free Misprinted Circuit Boards. IPC/SMTA
Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
20117 IPC-CH-65B-C
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Copyright Association Connecting Electronics Industries
Provided by IHS under license with IPC
Not for Resale, 11/27/2015 19:13:55 MST
No reproduction or networking permitted without license from IHS
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11. Camden, E. (2010). Effective Spot Cleaning Regardless of Material Selection. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
12. Flaherty, L., Knar, R., & Austin, J. (2010). Building High Reliability Electronic Hardware within the
California Air Regulatory Environment. IPC/SMTA Cleaning and Coating Conference, Renaissance,
Schaumberg, IL.
13. Hafstad, G. (2010). Assembly Configurations and Process Design Considerations for Solvent Centrifugal
Cleaning. IPC/SMTA Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
14. Hillman, D. (2010). The Role of Ionic Contamination as a Tin Whisker Initiator. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
15. Pauls, D. & Hillman, D. (2010). Cleaning and Cleanliness in IPC Specifications. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
16. Kanegsberg, B. (2010). Doing it all with Less - Sustainable, Eco-Centric, Reliable, Economically Supe-
rior Defluxing Processes. IPC/SMTA Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
17. Keeping, J. (2010). Critical Considerations for Conformal Coating Reliability. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
18. Kim, B. (2010). Accuracies of Concentration Measurement Methods and Their Implications. IPC/SMTA
Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
19. Konrad, M. (2010). Best Practice Design for Batch Aqueous Cleaning Systems. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
20. Konrad M. (2010). Chemical, Mechanical, Environmental, and Ergonomic Considerations of a Stencil
and Misprint Cleaning Process. IPC/SMTA Cleaning and Coating Conference, Renaissance, Schaumberg,
IL.
21. Kraszewski, R. (2010). Implementing Two Part Urethane Materials and Processes for Conformal Coating
or Printed Circuit Assemblies. IPC/SMTA Cleaning and Coating Conference, Renaissance, Schaumberg,
IL.
22. Kumar, R. (
2010). Advances in Adhesion Solutions for Electronic Assemblies. IPC/SMTA Cleaning and
Coating Conference, Renaissance, Schaumberg, IL.
23. Richie, B. (2010). Conformal Coating over Process Residue. IPC/SMTA Cleaning and Coating Confer-
ence, Renaissance, Schaumberg, IL.
24. Russo, J. (2010). Encouraging Water and Energy Conservation: Driving Forces. IPC/SMTA Cleaning
and Coating Conference, Renaissance, Schaumberg, IL.
25. Schueller, R. (2010). Creep Corrosion. IPC/SMTA Cleaning and Coating Conference, Renaissance,
Schaumberg, IL.
26. Snugovsky, P. Meschter, S., Kapadia, P., Romansky, M., Kennedy, J., & Kosiba, E. (2010). Influence on
Board and Component Cleanliness on Whisker Formation. IPC/SMTA Cleaning and Coating Conference,
Renaissance, Schaumberg, IL.
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Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
IPC-CH-65B-C 20117
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Copyright Association Connecting Electronics Industries
Provided by IHS under license with IPC
Not for Resale, 11/27/2015 19:13:55 MST
No reproduction or networking permitted without license from IHS
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29. Vuono, B., Bixenman, M., Russeau, J., & Zohni, . (2010). Cleaning Fluid Entrapments under Vented Flip
Chip Packages. IPC/SMTA Cleaning and Coating Conference, Renaissance, Schaumberg, IL.
7 印制线路板(PWB)上的污染及其影响
7.1 范围 电子设性能要求的要设计小的线间距及小化、性能设备需
更加的电路。导体间间距小,使得污染及其影响变更加问题化。
7.1.1 ⽬的 本章节的目的讨论印制线路组件上污染的风险及其影
7.1.2 背景 着元器件的微型化、细间距线的电力,电子组装的可
1
和污染有关的工艺过程和务增大了元器在可能。腐蚀问题缩产品寿命
于造线间离迁移元器、电合和/或者电化学电因素
导致产品功能性降低
1
生产成本力的动下考虑带细间距密度组装清洗许多电子
使用了残留清洗)助焊剂技术。
2
据应用的不流后助焊剂残留是变化的:
标准残留>40%
•低残留10%<残留40%
•超残留2%<残留10%
残留 0残留2%
其在小的线间距时,清洗工PCB性的长响是一个持
的目标。着无铅化技术的步引了可风险
这些金比
铅共更高熔融
2
组件装和密度化、组件下面会助焊剂残留)及元器件的微型化组装使
达到适的清洁等级越难。组装必须更好地组装残留的长
9
的清洗,线间距产生大的电导致器业对清洁技术范对下
一代电子组装的。
9
7.2 术语和定义(带*IPC-T-50
7.2.1 *阳极 件中的流流出的电
7.2.2 离⼦: 子。
7.2.3 *接: 导体间形成的不有的电通路。
7.2.4 得到电子的电
7.2.5 离⼦: 带正子。
7.2.6 * 物质或者材料通电的能力。
7.2.7 *间距 在一个上,的相的可距离
7.2.8 腐蚀 化学助焊剂或者助焊剂残留金属材的化。
20117 IPC-CH-65B-C
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Copyright Association Connecting Electronics Industries
Provided by IHS under license with IPC
Not for Resale, 11/27/2015 19:13:55 MST
No reproduction or networking permitted without license from IHS
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