Full Site - : 90/10 tin-lead plated smt component (Page 4 of 8)

Re: Bare Copper Pad Reflow Soldering

Electronics Forum | Fri Jul 30 16:02:49 EDT 1999 | Earl Moon

| | I received a request from customer to assemble ceramic substrate (alumina oxide)that printed with a low temperature Copper thick film conductor (the overglaze layer is polymer). The Copper pads are exposed without any coating. | | This ceramic su

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 10:09:17 EDT 1999 | Earl Moon

| | | | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However,

Re: Soldering to Gold

Electronics Forum | Fri Sep 17 09:54:40 EDT 1999 | Brian

| | | We have some SMT components with gold plated leads. They're actually LCC led packages. A good solder alloy to use would be Indium / Lead to reduce tin dissolution into the gold and avoid the resultant brittle intermetallic compound. However, a

Re: Design Guides

Electronics Forum | Wed Jul 22 12:47:23 EDT 1998 | Earl Moon

| I'm trying to put together a set of design guides for use for new designers | in house or to be sent out for contracted layout work. I would like to start with a top ten list of things that will go wrong if rules aren't available. For example testp

Re: Board Warp And Twist

Electronics Forum | Thu Aug 10 13:12:10 EDT 2000 | Bob Willis

You may care to review the following from my Circuits Assembly page on line. "HOW FLAT IS FLAT AND DO WE NEED FLAT CIRCUIT BOARD, YES WE DO ? As production problems go there is one that keeps reoccurring time and time again. The blame is usually di


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