On the components of tin lining to remove the gold at home and abroad the standard provisions of the tin lining standards: 1, QJ 3267-2006 (instead of QJ/Z 147-1985) electronic components tin lining process technology requirements 6.7.1.4 flat-package IC leads should be molded in the enameling, enameling parts of the intersection between the Fig. 3 Shown...
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Tin lining standards_Document House
Tin lining standards: 1, QJ 3267-2006 (instead of QJ/Z 147-1985) electronic components tin lining process technology requirements 6.7.1.4 flat-package IC leads should be molded in the tin lining, lining between the parts of the Figure 3. shown. De-gold implementation of standards 1, QJ 3012-98 aerospace electronic and electrical products...
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Tin lining standards-360 Document Center
Tin lining standards: 1, QJ 3267-2006 (instead of QJ/Z 147-1985) electronic components tin lining process technology requirements 6.7.1.4 flat pack integrated circuit leads should be molded in the tin lining, lining between the parts of the Figure 3 shows. Degold implementation standards 1, QJ 3012-98 aerospace electronic and electrical products...
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Terminal tin lining process specification.docx-original force document
***4 pages
2010-6 2010-6 Footer Contents Footer Contents PAGE#Terminal tin lining process specification Compiled by: Dong Zhixie Reviewed by: Approved by: Terminal tin lining process specification 1 Scope This specification specifies the operation of the tin lining process, the general requirements and inspection. This specification applies to insulated wires exposed wiring terminals and ...
Originality document 2020-09-19
Gold-plated components in addition to the gold-related processes|Shenzhen Tongyuan Surface Treatment Limited_Mobile phone Sohu.com
Highly reliable electronic assembled components soldering in the provisions of the soldering of tin-lead alloy solder must be used, especially in the aerospace/aeronautics and other military industries, such as the welding and assembly of electronic products, in order to prevent the gold embrittlement of gold-plated Especially in the aerospace/aerospace and other military industries, the gold-plated leads and solder ends must be tin-lined to prevent gold embrittlement. Gold plating is commonly used in the soldering assembly process...
Sohu.com2022-11-22
Tin lining process code - Douding.com
Tin lining process Tin lining process Wire tin lining process code Spraying process Assembly process code Welding process code Sinking tin process Tin crafts Tin crafts Tin crafts
Douding.com2013-11-13
Tin lining to remove the gold process of the investigation of the vacuum reflow soldering process
"Vacuum reflow soldering tin lining to remove gold process investigation" by members to share, can be read online, more related to "Vacuum reflow soldering tin lining to remove gold process investigation (7 pages of collector's edition)" please search online in Renren library. 1, vacuum reflow soldering tin lining to remove gold process investigation Abstract: In the aerospace product...
Renren Library 2021-10-22
smt chip processing device solder end gold-plated layer of tin lining and gold removal process
Figure 13 is the aerospace academy to provide the pin center distance of 0.5mm wing pin gold-plated device (Flash chip) in kind the back of the photo, one side has been removed from the gold lining, the other side has not been removed from the gold; Fig. 14 is in addition to the gold lining after the front of the photo Figure 14 shows the front side of the device after removing the gold enamel, using a tin pot and homemade tooling to remove the gold enamel. Table 2...
Knowledge user @Alan2019-05-09
Components gold-plated leads soldered end de-gold enameling - Final Part (IV) DouDing.com
Components gold-plated leads soldered end de-golding enameling - Final Part (IV) Categories Topics Plus Member My Architecture Examination Entrepreneurship At-home Learning Classroom Charging Medical Cartoon Micro-case Daily Newspaper Sketchbook Fandang Download App Partners Customer Service Download Now Warm...
Doudin.com 2019-04-02
QJ Aerospace Standard Book QJ 3267-2006 Technical Requirements for the Tin Lining Process of Electronic Components - Doudin.com
Document Format: .pdf Document Size: 721.97K Document Page(s): 11 Page(s) Top/Pedal(s): 0/0 Favorite(s): 2 Comment(s): 0 Document Heats Up: Document Classification: Industry data - aviation / aerospace Document Tags: standard qj 3267 2006 aerospace qj aerospace process technology Daquan ...
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PCB board tin lining method to choose the right in order to reasonably remove the gold, technical articles, come in to see the photoelectric bar Baidu posting
Therefore, process of removing the gold standard requirements for the case of exceeding the 1.27 μm thickness of the plating layer, you need to at least one time to remove the tin lining, for the case of exceeding the 2. 5 μm thickness of the plating layer, you need to complete the repetition of 2 times, you need to complete the repetition of 2 times. For the thickness of gold plating layer exceeding 2.5μm, it is necessary to complete the removal of tin lining for two times.
Baidu Post 2020-07-15
Executive Standard for Tin Lining - DOC Baba
Content Note: Document Format: DOC|Page: 71|Views: 13|Upload Date: 2018-01-15 09:32:33|Document Star Rating: ? |Document Classification: Technical Information>Industry Standard|Word Count: 0|Size: 14.9 KB
Doc Baba 2018-01-15
Analysis of the de-golding process problems and strategies in the welding of the electrical equipment_Renrenwenku.com
4 Conclusion: This paper first of all, de-golding in the process of production of the electrical equipment to elaborate the mechanism of the problem, and then on the industry of each de-golding standard Summarized, and finally on the various types of different devices in the soldering process of tin lining method of specific analysis, and through the experimental comparison to get the surface paste device tin lining treatment of the best...
Renren Library 2021-12-04
Wire solder lining specification requirements? Cheese answer
Wire tin lining specification requirements: wire tin lining is the best way, you can also use the terminal sleeve crimping, the operation is relatively simple compared to tin lining, but the connection effect is not as reliable as tin lining. Flexible wire must be wired using the above methods. 2.5mm can not do the following fire requirements to do crimp caps can be ...
Cheese replied 2022-02-23
QJ/Z 147-1985 Electronic components tin lining process details Standard
Electronic components tin lining process details are non-mandatory national standards, you can download the first three pages for free
Analytical Testing Encyclopedia
SMD - high-density electrical connectors gold-plated solder cups to remove gold Processing_Baidu library
Table 1 Electronic mounting standards on the lead/weld end Au plating requirements for the removal of gold Standard code QJ3012-98 Standard content In general, not allowed to solder directly on the gold plating, lead surface gold plating is greater than 2.5 μm need to be two times the tin lining process, less than 2.5 μm should be carried out once ...
Baidu Library
Vacuum reflow soldering tin lining and gold removal process investigation_Baidu Library
Tin lining and gold removal; screen printing; vacuum reflow soldering 1 Introduction In the micro-assembly process, generally through the soft brazing process (the solder liquid phase line temperature is lower than 450 ° C) to achieve the surface mounted components and circuit boards, circuit boards and the shell interconnections as well as connectors and the assembly of the shell, according to the Aerospace...
Baidu library
High-pressure busbar lap surface tin lining specification_Baidu library
Related searches: busbar chemical treatment, busbar impregnated with alkaline solution at a concentration of 20% of the length of time should be based on the busbar surface oxides and oil removal to determine. Impregnated aluminum busbar out, immediately into the sink while rinsing with a brush, shabu-shabu clean, and then ...
Baidu library
Tin lining_Baidu library
As long as the strength of the weld after welding to meet the requirements, that is, no cracking, brittle small, can also be without tin lining. Otherwise, it is required. This is related to the use of the occasion, weld size and so on. Follow-up question What about the use of bolted joints, is it necessary to enamel the tin? Answer Yes. Welding is a kind of two or two parts...
Baidu Library
Manufacturing workshop to teach you to use the appropriate method of tin lining, effective removal of gold without damaging components ic bar Baidu post bar
So the process of removing the gold standard requires that for the plating layer thickness exceeding the 1.27 μm case, it is necessary to at least one time to remove the tin lining, and for the plating layer thickness exceeding the 2.5 μm case, it is necessary to complete the repetition of the two times of the removal of the tin lining. Removal of tin lining is required at least once for gold layer thicknesses beyond 2.5μm. With the current electronics component "gold brittle"...
Baidu Post 2020-07-15
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