Electronics Forum: screen room (Page 1 of 5)

Controlled TempHumidity rooms

Electronics Forum | Wed Dec 09 13:25:16 EST 1998 | Martin J. Ibarra

Hi, I know for sure that by controlling temp. and humidity conditions in SMT assy lines room, one gets advantage in screen printing, adhesive dispensing, and pick&place machines mainteinance. Does any one have any advice on why else is a clean room

Re: Controlled TempHumidity rooms

Electronics Forum | Wed Dec 09 22:40:48 EST 1998 | phillip fhunter

| Hi, I know for sure that by controlling temp. and humidity | conditions in SMT assy lines room, one gets advantage in | screen printing, adhesive dispensing, and pick&place | machines mainteinance. Does any one have any advice on why | else is a c

Jumper Wire Assembly Aids

Electronics Forum | Thu Mar 04 10:20:30 EST 2004 | Ken

If an OEM and room is available on the PCB....have pin location aids silk screened on the boards. Groups of 10 are typical. might look like 1.........10.........20.........30 continue this around the device. Otherwise, ???

Re: Controlled TempHumidity rooms

Electronics Forum | Wed Dec 09 14:36:26 EST 1998 | Earl Moon

| Hi, I know for sure that by controlling temp. and humidity | conditions in SMT assy lines room, one gets advantage in | screen printing, adhesive dispensing, and pick&place | machines mainteinance. Does any one have any advice on why | else is a c

Re: Controlled TempHumidity rooms

Electronics Forum | Wed Dec 09 15:54:05 EST 1998 | Dave F

| Hi, I know for sure that by controlling temp. and humidity | conditions in SMT assy lines room, one gets advantage in | screen printing, adhesive dispensing, and pick&place | machines mainteinance. Does any one have any advice on why | else is a c

Washing Screens - Foam Everywhere, Help!

Electronics Forum | Mon Oct 31 15:38:45 EDT 2016 | jbreit

Hi All- I've got an old industrial dishwasher converted over to a screen wash. It's a closed system, one screen at a time. Total volume of about 10 gallons, no heater. RoHS solder. This thing is foaming up like a rabid animal. The screens go in

Re: Elimination of Silk Screen

Electronics Forum | Tue Oct 12 03:48:46 EDT 1999 | Chris May

| In a cost-reduction effort, our Design group is attempting to eliminate silk-screen (legend ink) on some new products. By the elimination of this process, there will be a slight decrease in the cost of the bare board. | | Presently, the silk scre

Re: PWB marking

Electronics Forum | Thu May 27 14:44:05 EDT 1999 | Deon Nungaray

| One of our board fab houses is asking (again) to eliminate the reference designators and polarity markings from boards. This isn't feasible for thru-hole, but what is the industry trend on surface mount assemblies? | Deon Response: Hi Greg, Fr

Flex PCB Assy

Electronics Forum | Fri Feb 25 15:08:30 EST 2005 | jdengler

John, We tape (usually high temp tape) flex to a fixture (usually 0.090" piece of bare FR4). We make an outline on the fixture to get a rough location then use fiducials on the flex for alignment. Print, place, reflow, cool, remove flex. When the

water wash small but mechanically sensitive PCBA

Electronics Forum | Fri Jul 24 17:02:37 EDT 2015 | cnotebaert

Id say get them panelized to help lock it down in a basket or under a screen, we actually started making our own baskets out of screen material, tight mesh and not as rough. the other option would be to get something to hold them off the wash conv ho

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