| https://www.eptac.com/ask/gold-wire-bond-failing-pull-test/
? Did the wire break at the weld? Did the plating come off the board? We need to define what kind of gold plating is on the board. Is it Electroplated Gold? Is it ENIG
| https://www.eptac.com/faqs/ask-helena-leo/ask/failing-to-remove-gold-plating-in-final-assembly
board’s acceptance in final assembly? Answer: The gold plating on boards is typically an ENIG coating, which is Electroless Nickell, Immersion Gold plating
| https://www.eptac.com/ask/failing-to-remove-gold-plating-in-final-assembly/
board’s acceptance in final assembly? Answer: The gold plating on boards is typically an ENIG coating, which is Electroless Nickell, Immersion Gold plating
Imagineering, Inc. | https://www.pcbnet.com/capabilities/assembly/technology-roadmap/
• Inner Layer - 10 oz • Inner Layer - 16 oz Buried/Blind Via 10+N+10 (HDI) Plasma Desmear Yes Outline Tolerance +/-.004 Surface Finish • HASL • ENIG • Immersion Silver • OSP (ENTEK) • Carbon • Immersion Tin • Electrolyic Gold • ENEPIG • ENIPIG Impeadance Control
Imagineering, Inc. | https://www.pcbnet.com/capabilities/fabrication/technology-roadmap/
• Inner Layer - 10 oz • Inner Layer - 16 oz Buried/Blind Via 10+N+10 (HDI) Plasma Desmear Yes Outline Tolerance +/-.004 Surface Finish • HASL • ENIG • Immersion Silver • OSP (ENTEK) • Carbon • Immersion Tin • Electrolyic Gold • ENEPIG • ENIPIG Impeadance Control
| https://www.eptac.com/wp-content/uploads/2016/08/eptac_08_17_16.pdf
| https://www.eptac.com/wp-content/uploads/2021/11/eptac_08_17_16.pdf
| https://www.eptac.com/faqs/ask-helena-leo/ask/solder-selection-for-printed-circuit-boards-and-terminals
? My second question is what kind of solder would you suggest for doing repair or adding a component to a surface mount board? Answer: The type of flux to be used is determined by the surfaces being soldered, such as HASL, OSP, ENIG, Gold, Pd, etc
| https://www.eptac.com/ask/solder-selection-for-printed-circuit-boards-and-terminals/
? My second question is what kind of solder would you suggest for doing repair or adding a component to a surface mount board? Answer: The type of flux to be used is determined by the surfaces being soldered, such as HASL, OSP, ENIG, Gold, Pd, etc
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc-standards-for-manufacturing-assembly_topic877_post9030.html
and Flexible Adhesive Bonding Films IPC-4204 - Flexible Metal-Clad Dielectrics for Use in Fabrication of Flexible Printed Circuitry IPC-4552 - Specification for Eletroless Nickel/Immersion Gold (ENIG
