Electronics Forum | Sat Jul 11 06:56:35 EDT 1998 | Tom Denison
| Hi all, | We are currently having problems with a laser-cut stencil that is | electropolished and nickel plated with 9-mil openings. The paste does | not release well from the apertures. We are having to wipe after every | print. The board is fixtu
Electronics Forum | Sat Jul 11 06:56:03 EDT 1998 | Tom Denison
| Hi all, | We are currently having problems with a laser-cut stencil that is | electropolished and nickel plated with 9-mil openings. The paste does | not release well from the apertures. We are having to wipe after every | print. The board is fixtu
Electronics Forum | Sun Mar 01 13:18:42 EST 1998 | Sam Sangani
Are you using Stencils to apply solder Paste for your surface mount PC board ? If so, please visit our web page http://www.pnconline.com/stencil.htm We make Laser Cut stencil with Re-Usable ACCUFRAME at lowest cost in the SMT industries. We also wil
Electronics Forum | Wed Jul 15 12:22:57 EDT 1998 | Steve Moore
Electropolishing definitely improves the print characteristics of both Laser-cut and Chem-etch stencils. The caveat here is avoid over polishing which results in rounding of the edges and/or enlargement of the openings. Over polishing is typically th
Electronics Forum | Tue Jan 27 08:08:51 EST 1998 | Jon Medernach
| I have the following questions with regards to the solder printing stencil design : | 1) Is the Electro-polish process recommended for laser cut stencil ? | 2) Should the aperture walls be slanted at an angle or straight wall, i.e. trapezoidal |
Electronics Forum | Fri Nov 19 22:18:03 EST 1999 | mark
Laser cut offers the following two major advantages... the aperture tolerance is much better and the trapezoidal apertures are more consistant. For the small difference in price, you get the assurance of
Electronics Forum | Tue Jun 21 17:30:26 EDT 2011 | semiconjt
> Has anybody have eperience with stepped ( down and up )laser cutted stencils? >> What is manufacturing method of "patchwork" stepped stencils ?? Thanks Jacek Tomaszewski SEMICON Sp.zo.o -Poland
Electronics Forum | Wed Nov 20 16:36:41 EST 2002 | davef
Electroformed stencils cost about twice as much as other stencils, but they to have better paste release characteristics than laser cut stencils.
Electronics Forum | Sat Jul 14 01:59:22 EDT 2007 | nurquhar
You can get laser cut stencils in mylar 3 or 4 mil plastic sheet. This company will cut one for you form $25 for a 4 sq inch mask. See http://www.smtstencil.com/. Apparently there good for one-off to small bactch production. Neil
Electronics Forum | Thu Jan 22 20:10:19 EST 1998 | Raymond
I have the following questions with regards to the solder printing stencil design : 1) Is the Electro-polish process recommended for laser cut stencil ? 2) Should the aperture walls be slanted at an angle or straight wall, i.e. trapezoidal openin