SU911325A1 - Method of checking solid body joints - Google Patents
Method of checking solid body joints Download PDFInfo
- Publication number
- SU911325A1 SU911325A1 SU802974242A SU2974242A SU911325A1 SU 911325 A1 SU911325 A1 SU 911325A1 SU 802974242 A SU802974242 A SU 802974242A SU 2974242 A SU2974242 A SU 2974242A SU 911325 A1 SU911325 A1 SU 911325A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- solid body
- load
- body joints
- checking solid
- joints
- Prior art date
Links
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
(5) СПОСОБ КОНТРОЛЯ СОЕДИНЕНИЙ ТВЕРДЫХ ТЕЛ(5) METHOD OF CONTROL OF CONNECTIONS OF SOLID BODIES
1one
Изобретение относитс к неразрушающему контролю и может быть использовано дл контрол качества соединений типа адгезионных и преимущественно па ных соединений печатных плат по сигналам акустической эмиссиии.The invention relates to non-destructive testing and can be used to control the quality of connections such as adhesive and mainly paired connections of printed circuit boards by acoustic emission signals.
Известен способ контрол качества па ных соединений, заключающийс в нагреве соединени лазером и получении акустического сигнала, по которому определ ют качество соединени f 1.A known method for controlling the quality of paired compounds consists in heating the compound with a laser and obtaining an acoustic signal, which determines the quality of the compound f 1.
Недостатком способа вл етс организационно-технологическа сложность процесса контрол , обусловленна сложностью юстировки лазерного луча по отношению к контролируемой поверхности .The disadvantage of this method is the organizational and technological complexity of the control process, due to the complexity of the alignment of the laser beam with respect to the test surface.
Наиболее близким по технической сущности к изобретению вл етс способ контрол соединений твердых тел с адгезионными свойствами, заключающийс в том, что прикладывают статическую нагрузку о месте соединени , регистрируют сигналы акустическойThe closest to the technical essence of the invention is a method of controlling joints of solids with adhesive properties, which consists in applying a static load at the junction, registering acoustic signals
эмиссии и по их параметрам определ ют дефектность соединени . При этом на вывод интегральной схемы, подлежащей контролю, нанос т каплю селиконовой резины и прокалывают ее металлическим крючком, к которому прикладывают раст гивающую механическую нагрузку 2.emissions and their parameters determine the defectiveness of the compound. In this case, a drop of silicone rubber is applied to the output of the integrated circuit to be monitored and pierced with a metal hook to which a tensile mechanical load is applied 2.
Недостатком известного способа в10 л етс мала производительность контрол , обусловленна большой трудоемкостью приложени механической нагрузки.The disadvantage of the known method is the low control productivity due to the high laboriousness of the application of the mechanical load.
Цель изобретени - повышение про15 изводительности контрол .The purpose of the invention is to increase the productivity of the control.
Эта цель достигаетс тем, что в качестве статической нагрузки используют сжатие, затем снимают нагрузку, а регистрацию сигналов акустической This goal is achieved by using compression as a static load, then removing the load, and recording acoustic signals.
30 эмиссии производ т в момент сн ти нагрузки.30 emissions are effected at the time of the removal of the load.
На чертеже представлена схема реализации способа.The drawing shows a diagram of the implementation of the method.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802974242A SU911325A1 (en) | 1980-08-15 | 1980-08-15 | Method of checking solid body joints |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU802974242A SU911325A1 (en) | 1980-08-15 | 1980-08-15 | Method of checking solid body joints |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU911325A1 true SU911325A1 (en) | 1982-03-07 |
Family
ID=20914919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU802974242A SU911325A1 (en) | 1980-08-15 | 1980-08-15 | Method of checking solid body joints |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU911325A1 (en) |
-
1980
- 1980-08-15 SU SU802974242A patent/SU911325A1/en active
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