Electronics Forum: shelf-life raw boards (Page 1 of 26)

Clean raw bds

Electronics Forum | Fri Aug 14 08:30:44 EDT 1998 | Pat Copeland

Where can I find a spec to put on my fab drawing, to call out the cleanliness of the board, before I recieve it. These boards will require a tight spec after they are assembled, so I want to know that they are clean when I get them. Any suggestions.

Counterbore raw board

Electronics Forum | Thu Aug 17 09:24:28 EDT 2006 | markb

We are looking to possibly counterbore a coule of thru holes in one of our PCBs. We would counterbore the top side, and the only trace is coming out of the bottom side. The reason is to mount some LEDs flush with the board. They have some flash wh

Counterbore raw board

Electronics Forum | Thu Aug 17 17:51:47 EDT 2006 | davef

We use plastic standoffs that fit between the LED and the board. Live well, live long. For more than you wanted to know about standoffs: http://www.reedlink.com/ProductInfo~Productid~158255~ProductName~LED-Standoffs.html

Re: Clean raw bds

Electronics Forum | Mon Aug 17 03:05:59 EDT 1998 | Bob Willis

| | Where can I find a spec to put on my fab drawing, to call out the cleanliness of the board, before I recieve it. These boards will require a tight spec after they are assembled, so I want to know that they are clean when I get them. Any suggestio

Re: Clean raw bds

Electronics Forum | Fri Aug 14 09:37:36 EDT 1998 | Earl Moon

| Where can I find a spec to put on my fab drawing, to call out the cleanliness of the board, before I recieve it. These boards will require a tight spec after they are assembled, so I want to know that they are clean when I get them. Any suggestions

Counterbore raw board

Electronics Forum | Thu Aug 17 17:36:08 EDT 2006 | slthomas

I don't have any data (haven't tried this), but it doesn't take much thought to see that determining the risks associated with simultaneously applying compressive and rotational forces to the end of the barrel, not to mention chewing up the copper, i

Counterbore raw board

Electronics Forum | Fri Aug 18 07:49:34 EDT 2006 | markb

Thank for the feedback everyone. The LED is designed to be soldered 2mm above the board, so that is their rational for allowing that much flash. And a spacer is not going to work because of the height limit of mating parts (I didn't design the boar

Counterbore raw board

Electronics Forum | Fri Aug 18 13:48:58 EDT 2006 | slthomas

blasted double post

Counterbore raw board

Electronics Forum | Fri Aug 18 13:52:08 EDT 2006 | slthomas

Not sneakin' anything past you, are we Chunks? :P

Counterbore raw board

Electronics Forum | Fri Aug 18 15:03:16 EDT 2006 | Chunks

Does that make me a "Master" of post reading?

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