Electronics Forum: lead (Page 6 of 789)

patchproblem lifted lead

Electronics Forum | Tue Nov 30 11:51:54 EST 1999 | Wolfgang Busko

Hi all, a lifted lead (FP 0,5mm pitch) with a wire soldered to it needs proper protection against tear off. What kind of coating is appropriate, should be dispensable and fast drying. Thanks in advance Wolfgang

Re: patchproblem lifted lead

Electronics Forum | Tue Nov 30 13:20:07 EST 1999 | John Thorup

Hello Wolfgang Try looking in the process guides section of Circuit Technologies web site. Their recomendation is to bond the jumper wire to the board within 6mm of the lead with hot melt glue, cyanoacrylic glue or adhesive dots. John Thorup

Re: patchproblem lifted lead

Electronics Forum | Tue Nov 30 18:33:05 EST 1999 | Brian W.

I have used Loctite, RTV3145, or Tak-Pak to secure the wire. As John said, the wire is usually secured to the board near the lifted lead, and usually at 1/4 inch intervals along the way. Brian W.

cartridge filter for lead

Electronics Forum | Fri Nov 19 12:59:43 EST 1999 | Wade

I am looking for a source of replaceable cartridge filters to remove lead that is in solution in the water from my defluxing system. All sources and/or comments are appreciated!

Beam lead attach

Electronics Forum | Tue Oct 19 14:51:27 EDT 1999 | Kiet Dang

I'm trying to set up a SPC for a thermo compression beam lead attach process. We're using a west bonder thermo compression machine. I'd appreciate any input on temperature, pressure,tool, and critical process considerations. thanks, -kiet.

Re: lead straightening

Electronics Forum | Wed Feb 17 13:14:28 EST 1999 | Mark S.

Our company provides lead straightening (conditioning) services plus other related back-end services. Pls visit us on our website - www.chipro.com regards, Mark S.

Re: lead straightening

Electronics Forum | Mon Feb 22 08:59:34 EST 1999 | Chris Fontaine

Kris, Try searching the web for the phrase "Lead Conditioning". For some reason "conditioning" is the term used most often as opposed to "straigntening". There are a number of machines out there, most notably those by STI. Chris Fontaine Manufact

lead free solder

Electronics Forum | Thu Oct 01 09:58:30 EDT 1998 | Jacqueline Coia

Could you tell me please when the lead free solder regulation will become mandatory in Europe and also what are the current industrial alternatives for paste, bar and wire. Cheers, Jack

Re: lead free solder

Electronics Forum | Wed Oct 07 15:44:43 EDT 1998 | CW

There's a good article on lead-free assembly of mixed technology in the May issue of SMT Magazine (pg. 52)

lead substrate materials

Electronics Forum | Tue Jan 29 09:19:56 EST 2002 | bob_smith

Can someone tell me what metal substrates are comonly used for component leads with gold plating? If the gold plating is missing, are any of the substates incompatible with 63/37 solder? Thanks.


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