Bicheng provides impedance controlled PCB's for R&D, high-tech, IT research companies and organizations, large or small. Technical parameters *Controlled dielectric *Controlled impedance *Design coupons *Test coupons *Po
New Equipment | Wave Soldering
The only portable wave soldering machine optimizers with statistical process control (SPC) The wave soldering process is one of the most challenging procedures to set up. The ECD WaveRIDER® NL 2 greatly simplifies wave solder set up and ensures perf
Electronics Forum | Fri Oct 21 09:02:07 EDT 2005 | Bob R.
You can get them from Heraeus. It's their design and last time I talked to them (about 6 months ago) they keep them in stock.
Electronics Forum | Wed Jun 07 12:11:42 EDT 2000 | Rex Breunsbach
First of all I would like to thank you for your candid comments on this subject. ECD listens to its customers and values their input. Yes, our experience shows the coupons have a 30 to 60 run life depending on application. This works out to between
Industry News | 2003-03-11 08:45:00.0
CAMtastic DXP is the latest version of Altium's complete CAM verification and editing system that bridges the gap between PCB design and manufacturing and facilitates communication between board designers, fabrication engineers, and their clients.
Industry News | 2018-05-22 12:19:27.0
IPC – Association Connecting Electronics Industries® would like to announce the release of additional test coupons for the IPC-2221B Gerber Coupon Generator, an exclusive annual subscription service for IPC member companies. The IPC-2221B Gerber Coupon Generator subscription service is the only service providing new, industry approved test coupons addressing blind, buried, stacked and staggered via structures. The most commonly used coupons for product acceptance are “AB,” “AB/R” and “D” which were introduced in 2016.
Technical Library | 2020-11-04 17:57:41.0
Residues present on circuit boards can cause leakage currents if not controlled and monitored. How "Clean is Clean" is neither easy nor cheap to determine. Most OEMs use analytical methods to assess the risk of harmful residues. The levels that can be associated with clean or dirty are typically determined based on the exposed environment where the part will be deployed. What is acceptably clean for one segment of the industry may be unacceptable for more demanding segments. As circuit assemblies increase in density, understanding cleanliness data becomes more challenging. The risk of premature failure or improper function is typically site specific. The problem is that most do not know how to measure or define cleanliness nor can they recognize process problems related to residues. A new site specific method has been designed to run performance qualifications on boards built with specific soldering materials, reflow settings and cleaning methods. High impedance measurements are performed on break off coupons designed with components geometries used to build the assembly. The test method provides a gauge of potential contamination sources coming from the assembly process that can contribute to electrochemical migration.
Technical Library | 2013-09-19 17:25:32.0
The next generation of smart phones will demand very thin multi-layer boards to reduce the product thickness again. This paper shows three different manufacturing approaches, which can be used for very thin any-layer build-ups. The technological approaches are compared on reliability level – the any-layer copper filled micro-via technology which is to be considered as state of the art technology for high end phones and the ALIVH-C/G technology that is well established in Japan. A test vehicle design featuring test coupons for comprehensive reliability test series has been defined as target application for investigation...
The following video guides the user through a typical data collection process. These steps may vary depending on the process your company uses. Categories: WaveRIDER, WaveRIDER SPC (v5.2x)
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/RSS_class-3-design-specs_topic331.xml
: CLASS 3 Design Specs CLASS 3 Design Specs : Class 3 is mainly down to... Author: marceSubject: 331Posted: 02 Oct 2012 at 7:02amClass 3 is mainly down to land/hole ratios and quality of the manufacturerd PCB, for full class 3 a test coupon(s
Imagineering, Inc. | https://www.pcbnet.com/specials/offer-3/
. We will email you a 50% off coupon. You will get 50% off starting your first order. Please note that your web order amount will be before the discount
