From: Steven Kelly
Sent: November-08-18 9:47 AM
To: TechNet E-Mail Forum <[log in to unmask]>
Subject: Immersion gold thickness per 4552

Hi all,
Is it normal to obtain thickness readings of approx. 2.5 microinches of gold on large pads and 5 microinches on small pads across a panel ? What does it mean under paragraph 3.2.2 that higher gold thickness (>4.925 microinches) may compromise the integrity of the nickel undercoat?
Thanks in advance. Steve Kelly