Electronics Forum: gold pad stain water mark (8)

Re: Black spots on gold finish pads.

Electronics Forum | Tue Dec 01 07:24:44 EST 1998 | Earl Moon

| Hi folks , | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspection

Re: Black spots on gold finish pads.

Electronics Forum | Tue Dec 01 07:54:49 EST 1998 | kallol chakraborty

| | Hi folks , | | Lately we are seeing a lot of rawcards with black spots on the pads - most of them have Au finish(immersion gold) . We did a lot of inspecton after wave solder and found that only (fine pitch) QFP are affected the most. Our inspec

Industry News: gold pad stain water mark (2)

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

Industry News | 2018-12-08 03:29:29.0

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

Flason Electronic Co.,limited

Fourth Global Industry Award at productronica

Industry News | 2015-11-12 21:15:52.0

KYZEN has been named the 2015 winner of the industry’s coveted Global SMT Technology Award for Cleaning Materials. The event marks the ninth KYZEN Global SMT Award and the fourth global industry award for AQUANOX® A4708 pH Neutral Electronic Assembly Cleaning Chemistry. “I don’t know that any chemistry in this class has been recognized by industry leaders this many times, but our customers know that AQUANOX® A4708 reliably meets high-precision performance requirements, as does our environmentally friendly cleaning technologies,” said Tom Forsythe, Executive Vice President at KYZEN.

KYZEN Corporation

Express Newsletter: gold pad stain water mark (803)

SMTnet Express - September 7, 2017

SMTnet Express, September 7, 2017, Subscribers: 30,782, Members: Companies: 10,712, Users: 23,761 Challenges on ENEPIG Finished PCBs: Gold Ball Bonding and Pad Metal Lift Young K. Song and Vanja Bukva; Teledyne DALSA As a surface finish for PCBs

Partner Websites: gold pad stain water mark (4)

The Branford Group - Recent Auctions

| http://www.thebranfordgroup.com/dnn3/Auctions/RecentAuctions.aspx

] SOLD - Auction Closed on 3/28/2023 State-of-the-Art 2018 Ward-Jet Model Z Series 2043, CNC 5-Axis Gantry Style Water Jet Cutting System Unit Decommissioned, Moved to a Warehouse w/ Sand

Calendar of Events

Surface Mount Technology Association (SMTA) | https://www.smta.org/news/smta_calendar/calendar.cfm

solderability ? Component and printed board storage life Storage conditions for longer life Artificial ageing tests and impact on yields International specifications and test methods Cost of Gold, Copper, Palladium, Silver, tin etc Protective coatings and effects

Surface Mount Technology Association (SMTA)


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