New Equipment | Industrial Automation
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New Equipment | Industrial Automation
give me a inquiry, i will get you back immediately or in 9 hours. if you have a large purchase, we can make a discount. Contact: Sandy Lin Email:unity@mvme.cn Skype:onlywnn_1 Telegram:+8618020776786 Mobile(Whatsapp): (+86)-18020776786 QQ :2851
Electronics Forum | Fri Apr 16 11:03:35 EDT 2004 | davef
Your copper corrosion is not good. It indicates that you have not done a good job in cleaning. [We assume this is a medium green color, not unlike the color of the solder mask on your board, that is almost like a translucent lacquer; rather than th
Electronics Forum | Tue Jun 07 16:19:58 EDT 2005 | davef
Q1) How to identify on good or bad ICs lead that could contribute to dewetting? A1) Distinguish between good or bad IC that could contribute to dewetting by testing for solderability, according to J-STD-002. Q2) What actions that must be taken in fa
Industry News | 2009-04-23 20:39:41.0
NASHVILLE � April 2009 � Kyzen, a world leading provider of environmentally responsible precision cleaning products for electronics and high-technology manufacturing operations, announces that it has won a remarkable six awards on two continents during the last year.
Industry News | 2019-03-10 20:30:11.0
The proliferation of tighter microvia densities and signal integrity requirements in printed boards within the electronics industry has revealed reliability concerns with microvia structures in high performance products. A number of IPC OEM member companies have approached IPC with examples of microvia failures in high-profile hardware that were not observed until after bare printed board fabrication, inspection and acceptance, including:
Technical Library | 2021-01-03 19:24:52.0
Reflow soldering is the primary method for interconnecting surface mount technology (SMT) applications. Successful implementation of this process depends on whether a low defect rate can be achieved. In general, defects often can be attributed to causes rooted in all three aspects, including materials, processes, and designs. Troubleshooting of reflow soldering requires identification and elimination of root causes. Where correcting these causes may be beyond the reach of manufacturers, further optimizing the other relevant factors becomes the next best option in order to minimize the defect rate.
Technical Library | 2010-03-23 11:50:22.0
This document discuss how to design SMT stencil base on IPC-7525. Introduction: PCBA (Printed Circuit Board Assembly) is a segment of printed circuit board technology. This segment of printed circuit board industry is concentrated in assemble all the pieces of electronic industry to one piece before output them to market. This segment covers: interconnection technology, package design technology, system integration technology, board and system test technology
Events Calendar | Tue Mar 07 00:00:00 EST 2017 - Thu Mar 09 00:00:00 EST 2017 | Fountain Hills, Arizona USA
13th International Conference and Exhibition on Device Packaging
International Microelectronics Assembly and Packaging Society (IMAPS)
Developing a Reliable Lead-free SMT Assembly Process Developing a Reliable Lead-free SMT Assembly Process What are the key process requirements to achieve reliable lead-free SMT assembly? Lead-free SMT can be achieved reliably if several
Nordson ASYMTEK | https://www.nordson.com/en/divisions/dage/technical-experts/2d-x-ray-inspection
. Optical image showing the word IBEX created as a mosaic of random thicknesses of silver and copper foils (top); X ray transmission image showing that it is not possible to distinguish between the foils using absorption contrast alone (middle
Surface Mount Technology Association (SMTA) | https://www.smta.org/icsr/speaker_forms/Paper-Format-Requirements.doc
concentration in the solder the rate of dissolution decreases because of the concentration gradient reduction. Thus, solders with 0.7% Cu remove less copper from the plating layer than solders with 0.5% Cu. Therefore, based on this, the Cu dissolution rates of
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