Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote-usa/?cpn=1
" (Immersion Gold), Immersion Tin, Immersion Silver from Taiwan or China Minimum Trace/Space 0.007" 0.008" Testing No Yes SMD Side None Top Side Bottom Side Both Sides SMD Pitch N/A 0.025" over
Imagineering, Inc. | https://www.pcbnet.com/quote/china-fab-quote/
* Materials FR4(130Tg) FR4(170Tg) FR406(180Tg) Copper Weight 1 oz 2 oz 3 oz 4 oz Finish Plating ENIG1U" ENIG2U" ENIG3U" ENIG4U" ENIG5U" Immersion Tin Immersion Silver HASL (Leaded
Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote/?cpn=5
* Materials FR4(130Tg) FR4(170Tg) Copper Weight 1 oz 2 oz 3 oz 4 oz Finish Plating HASL (Leaded) LF HASL Immersion Gold Immersion Silver White Tin OSP Minimum Trace/Space 0.005" 0.006" 0.007
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc-standards-for-manufacturing-assembly_topic877_post9030.html
) Plating for Printed Ciruit Boards IPC-4553 - Specification for Immersion Silver Plating for Printed Ciruit Boards IPC-4554 - Specification for Immersion Silver Tin for Printed Ciruit Boards IPC-4562
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc-standards-for-manufacturing-assembly_topic877_post7624.html
) Plating for Printed Ciruit Boards IPC-4553 - Specification for Immersion Silver Plating for Printed Ciruit Boards IPC-4554 - Specification for Immersion Silver Tin for Printed Ciruit Boards IPC-4562
PCB Libraries, Inc. | https://www.pcblibraries.com/Forum/ipc-standards-for-manufacturing-assembly_topic877_post7624.html
) Plating for Printed Ciruit Boards IPC-4553 - Specification for Immersion Silver Plating for Printed Ciruit Boards IPC-4554 - Specification for Immersion Silver Tin for Printed Ciruit Boards IPC-4562
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/topic877&OB=ASC.html
) Plating for Printed Ciruit Boards IPC-4553 - Specification for Immersion Silver Plating for Printed Ciruit Boards IPC-4554 - Specification for Immersion Silver Tin for Printed Ciruit Boards IPC-4562
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/ipc-standards-for-manufacturing-assembly_topic877_post3186.html
) Plating for Printed Ciruit Boards IPC-4553 - Specification for Immersion Silver Plating for Printed Ciruit Boards IPC-4554 - Specification for Immersion Silver Tin for Printed Ciruit Boards IPC-4562
Imagineering, Inc. | https://www.pcbnet.com/blog/understanding-the-pcb-fabrication-process-from-design-to-delivery/
silver’s high electrical conductivity, immersion silver (IAg) has a low signal loss. It’s also RoHS-compliant, but this finish can oxidize and tarnish
Imagineering, Inc. | https://www.pcbnet.com/quote/board-quote/?cpn=2
) Copper Weight 1 oz 2 oz 3 oz 4 oz Finish Plating HASL (Leaded) LF HASL Immersion Gold Immersion Silver White Tin OSP Minimum Trace/Space 0.005" 0.006" 0.007