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Printed Circuit Board

Printed Circuit Board

New Equipment | Test Equipment

Printed Circuit Boards(PCBs) are used to electrically connect electronic components using conductive pathways, traces, etched from copper sheets laminated onto a non-conductive substrate. Our manufacturing processes utilise the latest techniques an

CMD Circuits co., Ltd

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

Study of Various PCBA Surface Finishes

Technical Library | 2015-11-25 14:15:12.0

In this study various printed circuit board surface finishes were evaluated, including: organic solderability preservative (OSP), plasma finish (PF), immersion silver (IAg), electroless nickel / immersion silver (ENIS), electroless nickel / immersion gold hi-phosphorus (ENIG Hi-P), and electroless nickel / electroless palladium / immersion gold (ENEPIG). To verify the performance of PF as a post-treatment option, it was added to IAg, ENIG Hi-P, and ENEPIG to compare with non-treated. A total of nine groups of PCB were evaluated. Each group contains 30 boards, with the exception on ENIS where only 8 boards were available.

Flex (Flextronics International)

Gold Plating Services in Santa Clara CA Installs Technic ENEPIG Process

Industry News | 2016-06-10 09:45:09.0

Cranston RI - Technic is pleased to announce the installation of the TechniPad Electroless Palladium process AT7015 at Gold Plating Services (GPS) in Santa Clara CA. GPS is a contract plating service specializing in precious metal plating for the printed circuit board industry.

Technic Inc.

Gold Embrittlement In Lead-Free Solder.

Technical Library | 2014-08-07 15:13:44.0

Gold embrittlement in SnPb solder is a well-known failure mechanism in electronic assembly. To avoid this issue, prior studies have indicated a maximum gold content of three weight percent. This study attempts to provide similar guidance for Pb-free (SAC305) solder. Standard surface mount devices were assembled with SnPb and SAC305 solder onto printed boards with various thicknesses of gold plating. The gold plating included electroless nickel immersion gold (ENIG) and electrolytic gold of 15, 25, 35, and 50 microinches over nickel. These gold thicknesses resulted in weight percentages between 0.4 to 7.0 weight percent.

DfR Solutions

Low Cost Heavy Copper PCB China 4 Layers Circuit Boards Supplier

Low Cost Heavy Copper PCB China 4 Layers Circuit Boards Supplier

New Equipment | Fabrication Services

Low Cost Heavy Copper PCB China 4 Layers Circuit Boards Supplier Quick Details: FR4 base material 1.6mm board thickness 2oz heavy copper Plating gold finishing RF custom PCB boards Used for Radio Frequency From China PCB manufacturer Specifications

Agile Circuit Co., Ltd

Comparing Soldering Results of ENIG and EPIG Post Steam Exposure

Technical Library | 2020-11-15 21:01:24.0

ENIG, electroless nickel immersion gold is now a well-regarded finish used to enhance and preserve the solder-ability of copper circuits. EPIG, electroless palladium immersion gold, is a new surface finish also for enhancing and preserving solder-ability but with the advantage of eliminating Electroless Nickel from the deposit layer. This feature has become increasingly important with the increasing use of high frequeny PWB designs whereby nickel's magnetic properties are detrimental. We examine these two finishes and their respective soldering characteristics as plated and after steam aging and offer an explanation for the performance deviation.

Uyemura International Corporation

Florida CirTech Introduces CK300 � Catalyst Killer

Industry News | 2008-10-29 17:30:39.0

Greeley, CO � October 2008 � Florida CirTech Inc., a leading chemical blender to the Printed Circuit and Electronic Assembly industry, announces that it recently developed the CK300 - Catalyst Killer.

Florida CirTech Inc.

Multilayer PCB Fabrication

Multilayer PCB Fabrication

New Equipment | Fabrication Services

Multilayer PCB's ACI manufactures a wide variety of Multilayer PCB's for various applications spanning numerous industries and technologies.  We can build your high layer count PCB's using a wide variety of high speed low loss materials from epoxies

Advanced Circuitry International

Reliability of ENEPIG by Sequential Thermal Cycling and Aging

Technical Library | 2019-04-17 21:29:14.0

Electroless nickel electroless palladium immersion gold (ENEPIG) surface finish for printed circuit board (PCB) has now become a key surface finish that is used for both tin-lead and lead-free solder assemblies. This paper presents the reliability of land grid array (LGA) component packages with 1156 pads assembled with tin-lead solder onto PCBs with an ENEPIG finish and then subjected to thermal cycling and then isothermal aging.

Jet Propulsion Laboratory


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