Electronics Forum: glasses (Page 7 of 57)

Placement accuracy

Electronics Forum | Wed Feb 07 12:56:00 EST 2001 | jax

I' ll have to agree with Dave on this one. Just get the information from the Suppliers. The Glass plate, Aluminum board, Glass slugs, etc... are all used to determine if a calibration is needed or if it was succesful.( they can also give you offset i

CPk using glass slugs?

Electronics Forum | Thu Feb 25 10:11:08 EST 1999 | Joe Cameron

Read an earlier thread about using glass slugs to determine placement CPk. Can it actually be done this way? What's the procedure? Be interesting to know 'cause if it's feasible, I'd probably get myself a kit. None of us here are stat's experts a

outgasing (silver-glass)

Electronics Forum | Wed Oct 14 04:01:28 EDT 1998 | Joakim Fagerlund

We have problems with achiveing a void free soldered joint when we seal different kind of packages (QFP,LCC and PGA) We think the problem partly is due to outgasing from the die-adhesive (silver-glass) Does anybody have any reccomendations what to d

Laser Depaneling

Electronics Forum | Thu Jan 23 15:46:35 EST 2003 | MA/NY DDave

Hi Hey I might even know this company. No guarantee since it might be years ago. Another idea is die cutting. Laser, I think CO2, is jazzy since it is programable, yet so is water jet and it has a tad less problem with reflective surfaces like the

Thermo-couple attachment

Electronics Forum | Wed May 07 11:31:21 EDT 2003 | cyber_wolf

Well Dave, Check the number that is on your adhesive tube. They make several different types of adhesives for use on different substrates. The rep from Dymax recommended the 3073 for bonding to FR4. We use a Dymax HHL400 handheld curing light. Click

Wave soldering profiling

Electronics Forum | Mon Apr 12 09:10:26 EDT 2004 | davef

Levchek [ http://www.hexaconelectric.com/levchek.html ] is sold by Hexacon and most of the electronic assembly supply houses [eg, Technitool, HMC, Jensen, etc] Alternately, you can purchase heat tempered glass from your local glass store, but it wil

Nylon connectors in reflow

Electronics Forum | Mon Aug 25 20:49:27 EDT 2003 | msimkin

Anyone use glass filled nylon connectors utilising the intrusive reflow techique (pin in paste). We are having probe with them becoming brittle after reflow- apparently due to moisture. We are also seeing bubbling on outside plastic.Peak oven temp 22

Putting a center board support on lead free wave

Electronics Forum | Thu Apr 15 20:55:36 EDT 2004 | Ken

Try: Tungsten, tungsten carbide, ceramics like boron-nitride or how about pyrex glass? Glass blowers could make "hooks" that connect to a cross bar. I would NOT use aluminum (even if anodized). Try stainless steel 316. 303, 304 do not have enough

Electrical shorts on glass frit seal of ceramic ICs

Electronics Forum | Mon May 02 14:59:26 EDT 2005 | Linda Woody

Has anyone experienced electrical shorting between adjacent leads of a ceramic hermatic sealed IC? If so, can you share root cause and corrective action? The shorting appears to be in the glass frit seal itself but the failure mechanism is unknown. A

SAFETY GLOVES , GLASSES related to PCB ASSEMBLY

Electronics Forum | Wed Feb 04 09:21:09 EST 2009 | rameshr

Dear Sirs, We are looking for a quality/EHS approved vendor/make/part for safety products - gloves ,glasses for the following applications, 1.SMT Sceen printing Operator. 2.Reflow & Wave Soldering Operator. 3.PCB Cleaning. We would like to get detai


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