Electronics Forum: bubble (Page 1 of 25)

static shielding bubble bags shipping damage

Electronics Forum | Thu Sep 15 15:27:50 EDT 2016 | rvines1

Has anybody else had issues with shipping circuit boards in static shield bubble bags? It appears that parts are getting ripped off during shipping. I suspect that they're getting caught in the bubbles when the boards shift in the bags as the boxes

how to remove bubbles on silicone coating?

Electronics Forum | Mon Jul 04 01:30:24 EDT 2011 | rickysanchez

we encounter bubbles on silicone coating after oven curing.what to do to avoid bubbles?

how to remove bubbles on silicone coating?

Electronics Forum | Mon Jul 04 20:10:05 EDT 2011 | rickysanchez

1.The bubbles appear only after the oven curing.before curing no bubbles encounterred. 2.The bubbles were very small, and can be found around the die in between the die and the epoxy. 3.Curing time is 150 degC for 4 hours.

Bubbles in conformal coat

Electronics Forum | Thu Aug 27 08:34:50 EDT 2009 | floydf

I am having trouble with little air bubbles in my conformal coat. It ranges from a few pin sized bubble to looking like spit. We are using Dow 2620 silicone conformal coat applied with a PVA sprayer machine. The conformal coat comes in bladder bags t

Conformal coating bubbles with 1B73

Electronics Forum | Fri Feb 18 08:08:55 EST 2011 | floydf

I have found that depressurizing the tanks when the machine is not in use reduces bubbles.

Bubbles formation in conformal coating

Electronics Forum | Tue Sep 20 09:07:23 EDT 2016 | davef

5 Common Causes of Bubbles in Conformal Coating (and Their Remedies)[Diamond-MT's Blog]

bubbles in solder pot

Electronics Forum | Tue Mar 14 12:16:10 EDT 2023 | proceng1

Are these molten solder bubbles, or another substance "foaming" up on the surface?

bubbles in solder pot

Electronics Forum | Tue Mar 14 14:34:02 EDT 2023 | joeljacobo

Hi, I think they are a bit of both. When they pop the bubbles something like a foam is generated.

Bubbles in Conformal Coating

Electronics Forum | Fri Jan 16 06:53:33 EST 2009 | stevewilde

I am using Humiseal 1B31 conformal coating and xylene mix on a PVA coating machine. Bubbles are appearing between the pins of LCCs mainly and bubbling is worse when put through the IR oven. Does anyone have any suggestions or tips to elliminate this

Bubbles on solder joint(after conformal coating curing)

Electronics Forum | Thu Nov 19 05:18:37 EST 2009 | prodivegsr

Hi All, Recently we are working on the conformal coating process using Humiseal chemical 1B73 and thinner 521. Bubbles on component body/joints are seen after gone through the IR Reflow Oven. During the conformal coating, only tiny bubbles seen af

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