Electronics Forum: annular and ring and covered and with and solder and mask (Page 1 of 1)

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 09:47:41 EDT 1999 | Peter Brant

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. WIth regards to this question, and scott's follow up, I have used the "epoxy me

2 questions: via tenting and annular ring terminology.

Electronics Forum | Tue Jul 06 19:38:01 EDT 1999 | John

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. Q #2) When speaking of annular rings, I have always thought of them as minimums. Su

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 10:25:13 EDT 1999 | John Thorup

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. John, It depends......mainly on the via size. Tenting works on smaller vi

Re: 2 questions: via tenting and annular ring terminology.

Electronics Forum | Wed Jul 07 00:28:59 EDT 1999 | Scott Cook

Q #1) Is it more reliable to have the mask tent over the vias or risk getting vias half filled with solder? These are vias with an .020" hole and .040" or .050" pad. John, It depends......mainly on the via size. Tenting works on smaller vias. Tent

kapton dots and liquid solder mask

Electronics Forum | Tue Aug 09 13:25:24 EDT 2005 | pr

From what I can gather, the annular rings are used for grounding when these boards are put in housings. A screw goes through the hole and is torqued down. If there is excess solder on the annular ring, the screw doesn't seat properly. The pallets cov

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