Surface Finish Group - Page 3

Group Administrators: 1 | Group Member: 28 | Group Threads: 25

PCB Surface Finishes include HASL, OSP, ENIG, Immersion Tin, Immersion Silver, Gold – Hard Gold…Protect copper from oxidation and help assembly.

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5 comments

1034 views

Measure the flatness of a surface

Can anyone advise how to measure flatness of a surface?Flatness on top of IC..(view more)

Earl

2017/2/2 0:47:38

1 comments

2061 views

PCB surface treatment of OSP

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vitri.angelo

2017/2/1 9:44:07

1 comments

1951 views

Today’s electronic packages have high clock speeds (multi-gigahertz range), fine pin densities (below 0.4-mm pitch), and high pin counts (over 2000). When assembled onto a printed-circuit board (PCB),...(view more)

frmendozat

2017/1/31 7:55:40

1 comments

2523 views

PCB surface treatment of HASL/HASL lead-free

HASL/HASL(Lead free) is one of the major surface treatments in PCB fabrication industry. The process consist of emerging bare printed circuit board into tin lead alloy melting pot, and then use the "a...(view more)

TECNOSOLUZIONI

2017/1/26 13:54:36

1 comments

2424 views

How to Apply Pin-in-Paste in Lead-Free PCBs by OSP Surface Finish

With improvements in technology enhancing people’s lives, electronic products requirements have become greater in terms of being lighter, thinner, smaller, higher performance, and having more function...(view more)