Electronics Forum: sharpness (Page 1 of 13)

Alternatives to v-score or mouse-bites?

Electronics Forum | Thu Jun 03 13:54:34 EDT 2021 | SMTA-64386637

Punch dies are also expensive, inflexible and the punches need to be maintained for sharpness.

Re: solder mask removal

Electronics Forum | Wed Jan 05 15:01:50 EST 2000 | Brian E. Steelglove

A sharp knife and a steady hand. Sorry that is the only way I know because I have had to do it. Brian E. Steelglove

Frameless stencils

Electronics Forum | Fri May 28 19:43:32 EDT 1999 | Peter Wong

We are looking into frameless stencil systems for screen printing. Outside frame size of 29x29. Pros: smaller storage requirements and cheaper stencils. Cons: sharp metal edges, additional change over time required Can anyone relay their experien

Re: Avoiding Blood letting on stencil printer

Electronics Forum | Thu Nov 15 12:07:08 EST 2001 | mgillespie

Although this is a old message, I would like to add that DEK do offer a edge clamping option on ALL 265 class machines, thereby removing those sharp edges from the machine. Regards Mark.

Stencil Storage

Electronics Forum | Mon Mar 01 09:58:23 EST 2004 | dgjjr

We have been using unmounted stencils for 4 years. Easy to store and less expensive. Our stencil supplier gave us a pair of universal mounts for our printers. Watch the sharp edges. We haven't had any cuts but the potential is always there.

DEK/Tannlin Vectorguard stencils

Electronics Forum | Mon Dec 13 11:21:41 EST 2004 | wikunkle

To us the system seems very good. Mount & dismount is simple and solid. As a stencil supplier, we know there is another system that solves the sharp edge issue, called Wizard/QTS. DEK likely has the edge in a high prod. environment. Bill

Problem with conformal coating

Electronics Forum | Mon Mar 21 09:23:34 EST 2005 | sforman1

Some UV cure coatings do not have the correct rheology for sticking to small sharp corners. 984 is one of them. MicroCoat Technologies, Allen, TX makes one that works every time.

quad 1000 error

Electronics Forum | Fri Jun 24 15:03:20 EDT 2005 | Shannon D

Contact Mike Tieman at Quad Care 859-442-0776. I have used him in the past. He's sharp and honest.

SCREEN PRINTER PROBLEM

Electronics Forum | Thu May 19 09:34:07 EDT 2005 | pemnut

When I have a question about My DEK 265LTs, I usually call Ed Rabbit in San Jose. He is with DEK, Very sharp Guy. 408-954-1269.

How to improve the solder quality of QFN?

Electronics Forum | Thu Jun 23 17:59:02 EDT 2005 | davef

Jason: We'd like to help, but we don't know how to diagnose "bad solder quality". It's too broad of a complaint. Please be more descriptive, like: * Too much solder * Too little solder * Solder has too sharp of wetting angle

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