Electronics Forum: solder mask inspection (Page 9 of 265)

Solder mask

Electronics Forum | Wed Dec 12 17:36:15 EST 2001 | davef

Caramel is more like a amber ale than a pale ale, although not as redish as the amber. Actually, it's more like caramel. It is real brittle and scratches easily. If we built the board more often, we'd change it to a more familiar material. Naw, n

Solder mask

Electronics Forum | Mon Jan 12 01:20:07 EST 2009 | sachu_70

Hi Konrad, I would suggest you include a clear mention of your requirement towards mask color as a "Special Note" in PCB Gerber / PCB drawing, for ready reference by your PCB manufacturing during fabrication. However, slight changes in color shade co

Solder mask

Electronics Forum | Tue Dec 30 11:29:13 EST 2008 | davef

People use green soldermask because people use green soldermask. In the 1950s, the US military selected green, because they liked green better than other colors. So, here we are. We believe the performance of red and blue is comparable with green. T

Solder mask

Electronics Forum | Tue Jan 13 10:35:06 EST 2009 | evtimov

konrad, why did you change your mind now? Now you can agree with PCB manifacturerers? I didn;t hear anything in their defense and you gave up. If colour is not the same each time, that means they don't have standarts or knowledge to control it, an

Solder mask

Electronics Forum | Fri Jan 02 16:52:16 EST 2009 | boardhouse

Hi, From a Manufactures choice - Green is the best due to it is the most commonly used mask color in the industry & cheapest. Kind a like Red paint for Barns. For US shops, most only have one LPI machine and to continually switch from Green to othe

solder mask between qfp pads

Electronics Forum | Sat Aug 14 17:39:37 EDT 1999 | Gerry S.

One of the DFM suggestions I've seen is to remove the solder mask web, i.e. the mask between pads on 20-mil QFP devices. The rational is that if the mask is thicker than the pad the mask can prevent the stencil from making intimate contact with the

Temporary peelable solder mask sources

Electronics Forum | Wed Oct 20 20:38:30 EDT 1999 | Dreamsniper

I am looking for sources of temporary peelable solder mask to mask/cover holes on a circuit bd that need not be soldered during wave soldering�..must have distributors in Australia. I�ve contacted some down here but they do not have products package

Re: water soluble solder mask

Electronics Forum | Wed Oct 13 18:37:32 EDT 1999 | Brian W.

There is a company in Florida that was using water soluble solder mask with their wash system. The gentleman to call there is Lynn Hurt, their Sr. Staff Engineer. Switchboard number is 352-799-6520. Brian

mask finish and solder balling

Electronics Forum | Fri Feb 19 14:43:46 EST 1999 | Nithy

We are in the process of getting into no-clean paste and fluxes. One important issue in this is sodler balling. I have heard some people say that having a matte finish would help in having lesser solder balls and that the solder balls would not be

Re: water soluble solder mask

Electronics Forum | Wed Oct 13 14:27:08 EDT 1999 | mikeh

Dave F, We are currently using a latex based ambient/thermal cure material that is applied by hand or automated dispensing equipment. Printing is an option for us, but we have not had much luck with this particular material. The mask is peeled off a


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