Electronics Forum: break off (Page 1 of 20)

Re: cleaning glue off of stencils

Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes

We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an

Re: cleaning glue off of stencils

Electronics Forum | Wed Mar 08 09:32:57 EST 2000 | Dane Stokes

We use loctite to print with before begining testing on printing we asked loctite for the best cleaning solvent for there product. loctite had there own solvent that was designed to break down the propertys of their glue mix. Contact glue supplier an

SOT23 jumping off pads when reflowing

Electronics Forum | Wed Sep 17 10:17:21 EDT 2003 | jseagle

Check the tant cap for outgassing, tant caps are notorious for breaking wind and moving parts. Try baking the caps.

V-score cracking components

Electronics Forum | Thu Nov 10 06:00:36 EST 2005 | stepheniii

Break off the break-away? If you are going to fixture the board why not just buy a cutter?

Misalignment Brainstorm - Fiducials On Board VS On Breakaway Tab

Electronics Forum | Wed Apr 29 17:43:14 EDT 2009 | smt_guy

I have a Product with 2 Different PCB Fiducial allocation in the Design. It has 4 Fine Pitch components. The first PCB DO NOT have Fiducial Mark on the board itself BUT has Fiducial on the Break-OFF Tabs. The second PCB has no Break-Off Tab but has f

Blow hole on pad after reflow oven

Electronics Forum | Mon Jan 24 06:19:04 EST 2011 | fönsi

Hello! I've had the same problem about one Jear ago. We had exessive building of voids in the solder joints. I recomment to take a pincer to break off some of the components. If the solder joint is good, the copper pad will stay at the solder joint

Solder joint strength

Electronics Forum | Tue Mar 22 03:23:10 EST 2005 | EA

Hi, We are trying to break a component ( SMT component ) off the printed circuit board and measure the quality of the solder joint. But, after breaking off and having the reading, we do not know whether the reading is it within the component specifi

Pencil Use writing onto IC

Electronics Forum | Wed Dec 11 11:11:59 EST 2002 | Randy Villeneuve

Lead in pencils is conductive, so if dust or lead particals were to break off (which they could easily do) this could cause shorts on the board, etc. Its common practice not to use lead pencils in electronics manufacturing.

Tombstone 0402 Caps......

Electronics Forum | Thu Jun 02 14:50:41 EDT 2005 | techknow..

Placement looks good...paste to pad coverage good..correct profile used and verified by tracker. The problem being that this one cap is tombstoning at the same place every time. The placement is central. The part is near the edge at the break off.

V-score cracking components

Electronics Forum | Wed Nov 09 11:18:39 EST 2005 | Beef Kakes

Cracked components will occur when the component is stressed. The only way to stop this is to not stress the part when removing the score. This can be done by fixturing the board top and bottom so it doesn�t bow when breaking off the breakaway. Vi

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