Technical Library: catalog and 3

Cable and Harness Manufacturing: Productivity through Flexibility

Technical Library | 2016-06-06 11:33:17.0

Learn how to choose a cable & harness tester that remains relevant as product design changes in addition to providing fast, reliable, accurate results. See how it can improve productivity even beyond the production floor.

CAMI Research Inc.

Wire Bonding and Soldering on Enepig and Enep Surface Finishes with Pure Pd-Layers

Technical Library | 2012-10-11 19:50:09.0

First published in the 2012 IPC APEX EXPO technical conference proceedings. This paper shows the benefits by using a pure palladium Layer in the ENEPIG (Electroless Nickel, Electroless Palladium, Immersion Gold) and ENEP (Electroless Nickel, Electroless P

Atotech

Novel Probing Concepts for Mass-Production Tests: Design and Challenges

Technical Library | 2012-06-15 00:43:47.0

First published in the 2012 IPC APEX EXPO technical conference proceedings. The world of spring-loaded test probes and special probes for in-circuit and functional tests have grown tremendously over the past few years. Ever increasing demands for electro

INGUN Pruefmittelbau GmbH

Solder Paste Stencil Design for Optimal QFN Yield and Reliability

Technical Library | 2015-06-11 21:20:29.0

The use of bottom terminated components (BTC) has become widespread, specifically the use of Quad Flat No-lead (QFN) packages. The small outline and low height of this package type, improved electrical and thermal performance relative to older packaging technology, and low cost make the QFN/BTC attractive for many applications.Over the past 15 years, the implementation of the QFN/BTC package has garnered a great amount of attention due to the assembly and inspection process challenges associated with the package. The difference in solder application parameters between the center pad and the perimeter pads complicates stencil design, and must be given special attention to balance the dissimilar requirements

Lockheed Martin Corporation

Electronic Does Not Equal Smart: Service Documentation and Brand Quality

Technical Library | 2018-02-01 00:31:48.0

This paper briefly summarizes the technologies underpinning the evolution in electrical system diagnosis and repair, which include schematic layout automation using prototypes and rule-based styling, instant language translation, 2D/3D view links with schematics, interactive diagnostic procedures, and dynamically-generated signal-tracing diagrams. These technologies empower after-sales service teams with state-of-the-art capabilities, which not only reduce costs but also improve brand quality in the eyes of its customers.

Mentor Graphics

Screen Making for Printed Electronics- Specification and Tolerancing

Technical Library | 2018-03-28 14:54:36.0

Six decades of legacy experience makes the specification and production of screens and masks to produce repeatable precision results mostly an exercise in matching engineering needs with known ink and substrate performance to specify screen and stencil characteristics. New types of functional and electronic devices, flex circuits and medical sensors, industrial printing, ever finer circuit pitch, downstream additive manufacturing processes coupled with new substrates and inks that are not optimized for the rheological, mechanical and chemical characteristics for the screen printing process are becoming a customer driven norm. Many of these materials do not work within legacy screen making, curing or press set-up parameters. Many new materials and end uses require new screen specifications.This case study presents a DOE based method to pre-test new materials to categorize ink and substrate rheology, compatibility and printed feature requirement to allow more accurate screen recipes and on-press setting expectations before the project enters the production environment where time and materials are most costly and on-press adjustment methods may be constrained by locked, documented or regulatory processes, equipment limitations and employee experience.

Hazardous Print Consulting Inc

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