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Laser Cut SMT Stencils with Re-usable ACCUFRAME

Laser Cut SMT Stencils with Re-usable ACCUFRAME

New Equipment | Solder Paste Stencils

PNC Inc. uses LPKF Laser Technology to manufacture SMT Solder paste stencil, high tolerance aperture openings with superior registration for it’s solder paste stencils. With it’s 4 mil beam diameter, our Laser is capable of cutting small aperture ope

PNC Inc.

GE BENTLY NEVADA 136188-01 MODULE ETHERNET RS232 MODBUS

GE BENTLY NEVADA 136188-01 MODULE ETHERNET RS232 MODBUS

New Equipment | Industrial Automation

  Sandy.[mailto:unity@mvme.cn]    Sandy.[WhatsApp/Skype/Mobile:+8618020776786]     Sandy.[Quote to you within the shortest possible time with our best price]   Warranty: up to 12 months Shipping: fast delivery is available NEW+ORIGINAL+IN STOCK+ONE

XIAMEN YUEHANG COMPUTER ENGINEERING CO.LTD.

GE BENTLY NEVADA 330180-91-05 PROXIMITY CONTROL 3300 XL

GE BENTLY NEVADA 330180-91-05 PROXIMITY CONTROL 3300 XL

New Equipment | Industrial Automation

  Sandy.[mailto:unity@mvme.cn]    Sandy.[WhatsApp/Skype/Mobile:+8618020776786]     Sandy.[Quote to you within the shortest possible time with our best price]   Warranty: up to 12 months Shipping: fast delivery is available NEW+ORIGINAL+IN STOCK+ONE

XIAMEN YUEHANG COMPUTER ENGINEERING CO.LTD.

Problems with .45 mil ball diameter BGA....

Electronics Forum | Wed Apr 27 02:22:08 EDT 2005 | grantp

Hi, There are a number of things you can try. You are already using 1:1 hole to pad ratio, and that's good as you need the size. I would try an electroform stencil as that will have a smooth side of the aperture and help paste release. Don't use c

.5mm BGA

Electronics Forum | Fri Feb 20 13:55:32 EST 2004 | black5629

That will depend on so many factors: solder type / flux type sphericity of balls in paste stencil type (laser chem etch, electro form etc.) print paramaters I will tell you that it can be done.

Re: MicroBGA printing problem

Electronics Forum | Thu Sep 23 12:47:48 EDT 1999 | Earl Moon

| | | I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | | | The stencil is 6 mil thick, laser cut and electo-polished. | | | The apertures are 12 mil in diameter with 20 mil pitch.

Re: MicroBGA printing problem

Electronics Forum | Wed Sep 22 21:23:03 EDT 1999 | se

| | I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | | The stencil is 6 mil thick, laser cut and electo-polished. | | The apertures are 12 mil in diameter with 20 mil pitch. | | We

Solder Balls

Electronics Forum | Thu May 09 10:00:19 EDT 2002 | brianockert

I'd tend to agree with what the others have said. Check the basics, board supports, setup, wiper paper working correctly. If it's a humidity issue, try taking some paste, place it on a chem wipe, and roll it around a bit, which removes some of the mo

Re: STENCILS

Electronics Forum | Wed Jul 01 03:05:56 EDT 1998 | Jon Gruett

| WHAT SHOULD THE RATIO BE OF STENCIL APERATURE TO PAD TO GET GOOD QUALITY RESULTS. BY THAT I MEAN, A MINIMM OF SOLDER BALLS, AND LITTLE TO NO BRIDGING, SHORTS, ETC.. | RIGHT NOW WE ARE USING A 1:1 RATIO, BUT ARE INVESTIGATING REDUCING THE APERATU

Re: STENCILS

Electronics Forum | Mon Jun 29 13:51:29 EDT 1998 | Russ Miculich

| WHAT SHOULD THE RATIO BE OF STENCIL APERATURE TO PAD TO GET GOOD QUALITY RESULTS. BY THAT I MEAN, A MINIMM OF SOLDER BALLS, AND LITTLE TO NO BRIDGING, SHORTS, ETC.. | RIGHT NOW WE ARE USING A 1:1 RATIO, BUT ARE INVESTIGATING REDUCING THE APERATU


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