Electronics Forum: 90% palladium (7)

Poor wetting to palladium

Electronics Forum | Mon Jan 29 06:44:59 EST 2001 | Scott B

I have recently come across a device which has a palladium over nickel finish which when soldered shows evidence of poor wetting to the lead ( i.e. a wetting angle greater than 90�) about three quarters of the way up the side of lead. This is only vi

platinum clad nickel soldering

Electronics Forum | Thu Mar 31 17:27:36 EST 2005 | russ

Are we possibly talking palladium instead of platinum? I haven't yet heard of platinum terminations (seems expensive) If it is palladium over nickel, I can tell you that you need to reach 225-230 Deg. C in reflow and the TAL should be about 90 sec.

Industry News: 90% palladium (2)

IPC Volunteers Honored for Contributions to Electronics Industry at IPC APEX EXPO

Industry News | 2016-03-22 16:48:06.0

IPC – Association Connecting Electronics Industries® presented Committee Leadership, Distinguished Committee Service and Special Recognition Awards at IPC APEX EXPO® at the Las Vegas Convention Center. The awards were presented to individuals who made significant contributions to IPC and the industry by lending their time and expertise through IPC committee service.

Association Connecting Electronics Industries (IPC)

Guideline for wire bonding

Industry News | 2019-11-05 22:19:03.0

> News-Blog > Guideline for wire bonding Guideline for wire bonding Tuesday,Jun 12,2018 There are two wire bonding processes that are used, Thermosonic (T/S) Gold Ball Wire Bonding and Ultrasonic (U/S) Aluminum Wedge Wire Bonding. Approximately 90% of all IC Assembly in Semiconductor Packages is manufactured using Gold Ball Bonding process, while Aluminum Wedge Bonding is used to produce about 10% of other Wire Bonding requirements on Printed Circuit Boards (PCB), Printed Circuit Flex (PCF) and other Packages.

Headpcb

Technical Library: 90% palladium (1)

Effects Of Storage Environments On The Solderability Of Nickel Palladium- Gold Finish With Pb-Based And Pb- Free Solders

Technical Library | 2022-03-02 21:26:51.0

The solderability of a nickel-palladium-gold (Ni-Pd-Au) finish on a Cu substrate was evaluated for the Pb-free solder, 95.5Sn-3.9Ag-0.6 Cu (wt.%, abbreviated Sn-Ag-Cu) and the eutectic 63Sn-37 Pb (Sn-Pb) alloy. The solder temperature was 245ºC. The flux was a rosin-based mildly activated (RMA) solution. The Ni-Pd-Au finish was tested in the as-fabricated condition as well as after exposure to one of the following accelerated storage (shelf life) regiments: (1) 33.6, 67.2, or 336 hours in the Battelle Class 2 flowing gas environment or (2) 5, 16, or 24 hours of steam aging (88ºC, 90%RH).

Sandia National Laboratories

Express Newsletter: 90% palladium (90)


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