In other words, boards built in the Far West, heh,heh. -----Original Message----- From: TechNet [mailto:[log in to unmask]] On Behalf Of John Burke Sent: Wednesday, August 17, 2005 4:17 PM To: [log in to unmask] Subject: Re: [TN] HASL over nickel Still laughing.......................Rudy ............"left of the Hawaiian Islands"!!!! Now that is funny. John ------------------------------------ Avanex John Burke Senior Manager RoHS Compliance [log in to unmask] 40919 Encyclopedia Circle Fremont CA 94538 tel: 510 897 4250 fax: 510 979 0189 mobile: 510 676 6312 ------------------------------------ -----Original Message----- From: TechNet [mailto:[log in to unmask]]On Behalf Of R Sedlak Sent: Wednesday, August 17, 2005 2:05 PM To: [log in to unmask] Subject: Re: [TN] HASL over nickel Cheryl Johnson's question is right on the money.. But, FYI, Electroless Nickel is quite easily strippable, IF.... the soldermask is US made and applied.. A number of us suppliers sell the chemistry to do that... But, we sell a product used to clean up boards (clean, not strip) which gives no problems on US made boards, but rips the mask off of many/most boards made to the left of the Hawaiian Islands. Based on this data, I would be weary of trying to strip Nickel from these same boards. Rudy Sedlak. RD Chemical Company Tom Moore <[log in to unmask]> wrote: Our PC board supplier inadvertently supplied us with boards composed of gold over nickel rather than the specified HASL finish. While we kept some of the boards to keep our production line running, we sent the rest back to have the gold stripped off and run through the HASl process. Now our supplier is telling us that they will not be able to remove the nickel that has bonded to the copper pads. I'm going to have the supplier guarantee the board life in blood, but I would feel more confident in having confirmation by this group's expertise. 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