41 gold plating shelf life on fr4 results

Solder Paste Shelf Life and Testing - EPTAC - Train. Work Smarter. Succeed

| https://www.eptac.com/faqs/soldertips/soldertip/solder-paste-shelf-life-and-testing

Solder Paste Shelf Life and Testing - EPTAC - Train. Work Smarter. Succeed Looking for solder training standards, manuals, kits, and more

SMT Auctions Online - Bid On Pre-owned EMS Equipment

Baja Bid | https://bajabid.com/auctions/page/12/

SMT Auctions Online - Bid On Pre-owned EMS Equipment Skip to content Your EMS Asset Management Partner Careers | Current Auctions Linkedin page opens in new window Baja Bid LLC Your EMS Asset Management Partner Home About Services Managed Online Auctions Asset Analysis Consignment Program Cash Buyout Program

Baja Bid

What’s with the expiration dates on solder paste or wire? | EPTAC

| https://www.eptac.com/soldertips/whats-with-the-expiration-dates-on-solder-paste-or-wire/

. So given all of this where do we end up? Is it cut and dry that once solder has gone past its shelf life it becomes unusable? It is not really cut and dry until you contact your supplier and have the conversation with them

What’s with the expiration dates on solder paste or wire? - EPTAC - Train. Work Smarter. Succeed

| https://www.eptac.com/faqs/soldertips/soldertip/whats-with-the-expiration-dates-on-solder-paste-or-wire

. So given all of this where do we end up? Is it cut and dry that once solder has gone past its shelf life it becomes unusable? It is not really cut and dry until you contact your supplier and have the conversation with them

USA Fab Quote – Imagineering

Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote-usa/?cpn=5

* Materials FR4(130Tg) FR4(170Tg) FR4(180Tg) from Taiwan or China Copper Weight 1 oz 2 oz 3 oz 4 oz Cu from Taiwan or China Finish Plating ENIG1U" (Immersion Gold) HASL (Leaded

Imagineering, Inc.

USA Fab Quote – Imagineering

Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote-usa/?cpn=2

* Select One 1 2 3 4 5 6 8 Dimensions * Materials FR4(130Tg) FR4(170Tg) FR4(180Tg) from Taiwan or China Copper Weight 1 oz 2 oz 3 oz 4 oz Cu from Taiwan or China Finish Plating ENIG1U" (Immersion Gold) HASL (Leaded

Imagineering, Inc.

. J-STD-001Changes Between Revisions of Docs 6 Why Gold Plating Pro •  Gold: –  Does not tarnish –  Does not oxidized –  Is solderable –  Has a long shelf life Con

| https://www.eptac.com/wp-content/uploads/2012/09/eptac_10_17_12.pdf

– IPC/ WHMA-A-620 7 The Criteria J-STD-001 Rev E •  The (a) information in 620 is based upon Rev E 8 The Criteria – NASA – 8739.3 •  7.2.5 c - Gold plating on all surfaces that become part of finished solder connections shall be removed by two or more successive tinning operations (solder pot or iron

| https://www.eptac.com/wp-content/uploads/2016/05/eptac_06_22_16.pdf

# of Layers Board Technology Suppliers Coatings solderability Solder mask Shelf life Environmental conditions Packaging mtls Type Supplier Percent solids Assembly Kitting Environmental conditions Wave

| https://www.eptac.com/wp-content/uploads/2021/11/eptac_03_14_12.pdf

SolderTips: Dealing with the Problems of Soldering Iron Tips Breaking Down | EPTAC

| https://www.eptac.com/soldertips/dealing-with-the-problems-of-soldering-iron-tips-breaking-down/

. We are soldering lead free materials between 600 and 700 degrees F and increasing the contact dwell time by about 1 to 1.5 seconds. The new lead free alloys are high in tin content and the tin will dissolve the plating on the solder iron tip and eventually eat through the tip