Technical Library: check (Page 1 of 24)

An Alternative Dispense Process for Application of Catalyst Films on MEA's

Technical Library | 2008-10-01 14:02:27.0

This paper proposes an integrated system for film application process than consists of closed loop mass calibration to assure film thickness, a noncontact fast jetting process with high edge definition capable of applying films for highly selective areas and patterns. A system to obtain homogeneity of the solid-fluid mix is described and results are shared.

Nordson ASYMTEK

Making Sense of Accuracy, Repeatability and Specification for Automated Fluid Dispensing Systems

Technical Library | 2013-11-14 10:43:40.0

Understanding accuracy and repeatability is an important step to analyze fluid dispensing system performance. They can also be prone to misinterpretation when reviewing a product specification. A dispensing motion system can be made to perform better or worse under different operating conditions. This article will explain accuracy and repeatability, and how they can be applied to different specifications. It will also discuss key considerations when interpreting accuracy and repeatability for decision making.

Nordson ASYMTEK

Back to Basics – Why Clean?

Technical Library | 2011-06-28 16:10:29.0

ZESTRON America’s spring edition of ZESTRON News goes back to basics providing the latest information on the topics of cleaning in the electronics manufacturing industry.

ZESTRON Americas

Extending Soldering Iron Tip Life

Technical Library | 1999-05-09 13:05:12.0

This Technical Note discusses the construction of solder tips, the various failure modes associated with tip plating (cracking, wear, corrosion, and dewetting), how to diagnose those failure modes, and specific practices that can be taken to minimize or eliminate each one.

Metcal

Hand Soldering, Electrical Overstress, and Electrostatic Discharge

Technical Library | 1999-05-09 13:07:16.0

This paper will give the reader a general understanding of EOS and ESD phenomena. It specifically addresses hand soldering's role in EOS and ESD and how to protect against and test for potential problems. It discusses how Metcal Systems address EOS and ESD concerns and how they differ from conventional soldering systems.

Metcal

Surface Mount Rework Techniques

Technical Library | 1999-05-09 12:51:38.0

This Technical Note outlines, step by step, the easiest ways to remove and replace surface mounted devices, using the lowest possible temperatures. This document discusses the following topics: Removal and replacement of discrete and passive components (capacitors, resistors, SOTs), Removal of two-sided components (SOICs, SOJs, TSOPs), Removal of quad components (PLCCs, QFPs), Replacement of quad components including fine-pitched devices.

Metcal

1Click SMT Made Successful Installation and Training For Thai Customer!

Technical Library | 2020-04-01 05:52:59.0

Recently, our engineer Peter went to Thailand to provide after-sales support for our customer. In these days, we had installed a SC-900 selective coating line . Moreover, Peter gave patience and meticulous training to their staff, make sure they master the machine usage .Customer and agent are satisfied with our support and give their affirmation to us. SC-900 is a high Performance 4 axis Selective Coating Machine ,which is equipped with high precision servo control system , various valves , CCD system ,material tank weight detecting system etc, which can provide a high efficiency conformal coating process .The maximum coating size can reach 400mm*450mm with SC-900. So far, we've installed several dozen conformal coating line all over the world. It have excellent stability and performance. Check below link to get more info!

1 CLICK SMT TECHNOLOGY CO., Limited

Preparation for Reflow Profiling

Technical Library | 2019-05-24 09:22:59.0

There is a smaller process window and a much narrower margin of error when creating and using lead-free reflow profiles for surface mount parts on printed circuit boards (PCBs). Solder balls, dewetting, tombstones, voids, and head-on-pillow problems will occur much more frequently because lead-free alloys behave differently than eutectic pastes. Problems are compounded due to the extra heat necessary for some lead-free pastes to reach their melting points.

ACI Technologies, Inc.

Computer Aided Design, Manufacturing, and Engineering

Technical Library | 2019-07-01 10:44:11.0

In the electronics industry of today, companies emphasize better quality, lower cost, and shorter lead time on their products in order to keep up with their competitors. ACI Technologies (ACI) has been utilizing Computer Aided Design (CAD), Computer Aided Manufacturing(CAM), and Computer Aided Engineering (CAE) in its development of advanced electronics systems. CAD utilizes computer systems to assist in the creation, modification, analysis, and optimization of a design [1].

ACI Technologies, Inc.

How to calibrate JUKI CF feeder

Technical Library | 2017-07-21 03:23:47.0

1.Choose a feeder with best chip-placement ratio, install the Calibration Ruler on this feeder, then place feeder to calibration equipment’s position table.

ZK Electronic Technology Co., Limited

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