CN111125941B - 一种csp焊点焊后残余应力测量方法 - Google Patents
一种csp焊点焊后残余应力测量方法 Download PDFInfo
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- CN111125941B CN111125941B CN201910608336.9A CN201910608336A CN111125941B CN 111125941 B CN111125941 B CN 111125941B CN 201910608336 A CN201910608336 A CN 201910608336A CN 111125941 B CN111125941 B CN 111125941B
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- 238000000034 method Methods 0.000 title claims abstract description 18
- 229910000679 solder Inorganic materials 0.000 title claims description 29
- 238000004458 analytical method Methods 0.000 claims abstract description 30
- 238000013528 artificial neural network Methods 0.000 claims abstract description 23
- 238000010206 sensitivity analysis Methods 0.000 claims abstract description 18
- 238000012417 linear regression Methods 0.000 claims abstract description 11
- 238000013507 mapping Methods 0.000 claims abstract description 9
- 238000004088 simulation Methods 0.000 claims description 20
- 238000009826 distribution Methods 0.000 claims description 10
- 238000012549 training Methods 0.000 claims description 10
- 238000012916 structural analysis Methods 0.000 claims description 9
- 238000000342 Monte Carlo simulation Methods 0.000 claims description 3
- 238000013401 experimental design Methods 0.000 claims description 3
- 230000006870 function Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 238000000691 measurement method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 238000004364 calculation method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
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- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012536 packaging technology Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/04—Architecture, e.g. interconnection topology
- G06N3/045—Combinations of networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/08—Learning methods
- G06N3/084—Backpropagation, e.g. using gradient descent
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Families Citing this family (3)
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CN111753458A (zh) * | 2020-07-03 | 2020-10-09 | 北京航天微电科技有限公司 | 再流焊温度场分析方法、装置、计算机设备 |
CN112149331B (zh) * | 2020-09-25 | 2022-08-19 | 湖北三江航天红峰控制有限公司 | 基于有限元仿真的热风回流炉虚拟模型建立方法 |
CN113536489B (zh) * | 2021-08-25 | 2023-06-20 | 中国电子科技集团公司第三十八研究所 | 一种组件封装的连接构型和工艺参数确定方法 |
Citations (3)
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CN108363870A (zh) * | 2018-02-11 | 2018-08-03 | 宁波大学 | 一种基于深度学习的数控机床主轴热误差建模方法 |
CN109408844A (zh) * | 2018-07-11 | 2019-03-01 | 桂林电子科技大学 | 芯片封装焊点随机振动应力和回波损耗的优化方法 |
CN109918823A (zh) * | 2019-03-15 | 2019-06-21 | 成都航空职业技术学院 | 一种减小扭转应力的微尺度bga焊点结构参数优化方法 |
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Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108363870A (zh) * | 2018-02-11 | 2018-08-03 | 宁波大学 | 一种基于深度学习的数控机床主轴热误差建模方法 |
CN109408844A (zh) * | 2018-07-11 | 2019-03-01 | 桂林电子科技大学 | 芯片封装焊点随机振动应力和回波损耗的优化方法 |
CN109918823A (zh) * | 2019-03-15 | 2019-06-21 | 成都航空职业技术学院 | 一种减小扭转应力的微尺度bga焊点结构参数优化方法 |
Non-Patent Citations (6)
Title |
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3D封装微尺度CSP焊点随机振动应力应变分析;韩立帅等;《焊接学报》;20190625;第40卷(第6期);第64-70页 * |
proposal of area-arrayed bump joint structures for minimizing residual stress in stacked silicon chips mounted by flip chip technology;nobuki ueta等;《2008 international conference on electronic materials and packaging》;20090213;第228-231页 * |
Shape prediction and residual stress evaluation of BGA and flip chip solder joints;H. Sakai等;《ITHERM 2000. The Seventh Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (Cat. No.00CH37069)》;20020806;第181-186页 * |
The analysis and evaluation of chip scale package (CSP) solder joint reliability;HongZhen Yang等;《2011 International Conference on Electrical and Control Engineering》;20111024;第1315-1318页 * |
基于ANSYS软件PDS模块机械零件状态函数灵敏度分析;李响铸;《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》;20081015(第10期);C028-2 * |
基于人工神经网络的激光点焊焊点形态预测;陶汪等;《机械工程学报》;20091115;第45卷(第11期);第300-305页 * |
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Application publication date: 20200508 Assignee: Guilin Shenghui Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980044665 Denomination of invention: A Method for Measuring Residual Stress of CSP Solder Joint After Welding Granted publication date: 20220809 License type: Common License Record date: 20231031 Application publication date: 20200508 Assignee: Guilin Yuanjing Electronic Technology Co.,Ltd. Assignor: GUILIN University OF ELECTRONIC TECHNOLOGY Contract record no.: X2023980044645 Denomination of invention: A Method for Measuring Residual Stress of CSP Solder Joint After Welding Granted publication date: 20220809 License type: Common License Record date: 20231030 |
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