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Re: Very high interconnect density

Electronics Forum | Fri Oct 01 00:18:18 EDT 1999 | Earl Moon

| | We are all faced with increasing interconnect density in all we do. This means smaller everything, especially components and that which they are mounted upon but, hopefully, without smaller minds and thoughts. It all demands more process control

Re: Very high interconnect density

Electronics Forum | Fri Oct 01 09:03:25 EDT 1999 | Dave F

| | | We are all faced with increasing interconnect density in all we do. This means smaller everything, especially components and that which they are mounted upon but, hopefully, without smaller minds and thoughts. It all demands more process contro

Re: Solder paste temp Humidity controls

Electronics Forum | Wed Mar 10 09:52:22 EST 1999 | justin medernach

| We are starting up an SMT line with a printer and convection oven.... The area we are considering for the printer is totally uncontrolled for humidity, temperature and even cleanliness. | | We are working on the filters to keep particulates down,

non-wetting

Electronics Forum | Tue May 21 06:33:37 EDT 2002 | hayashi

*the other components are 0402 and SOIC 16, the > solderability were good. *the protection on the > terminations of microleadframe package is > Cu(copper),somebody call that leadless leadframe > package(LLP). *the time above 210 deg C is about

imm. silver

Electronics Forum | Sun Sep 08 19:58:57 EDT 2002 | dasal

My specialty. Your right, Most corrugated contains S02 and the pallet is usually out gassing formic acid as well. Not a great environment for silver. Original press release follows: Reactive Polymers At AT&T Bell Labs, John P. Franey has developed

Re: Component solderabilty

Electronics Forum | Wed Aug 18 05:09:56 EDT 1999 | Brian

| | We have a design on which there is an ASIC that will not be produced anymore in the future. As we want to make this design over the next 10 years we are evaluating the possibility to buy the necessary ASICs for the next 10 years. This will give u

Re: Suspected Pink Ring

Electronics Forum | Tue Jul 27 17:47:36 EDT 1999 | Earl Moon

| While inspecting incoming PCBs we detected around all plated-through-holes (only there and all in the same place) some halfmoonshaped light rings that match obviously only with the pink ring symptom shown in the IPC-A-600 chapter 2.5.2.. That would


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