Electronics Forum | Sun Apr 28 07:34:34 EDT 2002 | hany_khoga
Dear Tom : I hope I �m not too late. We produce PC motherboards with some buses exceeding the speed of 100MHz . we use no clean flux and it is OK even with the residues you can see under a microscope. But according to our own experience through a mo
Electronics Forum | Wed Apr 17 02:30:03 EDT 2002 | seje
Hello. There is been a lot of talk about thick plastic stencils vs. metal stencils for adhesive printing, but how about thin plastic stencils? We used to use a very thin plastic stencil (from loctite) with printgap (=snap-off) to adhesive printing
Electronics Forum | Wed Apr 17 21:02:00 EDT 2002 | ianchan
Hi mates, back over at our side, bad service is not only prevalent in the machine service industry, it occurs even in esteemed department stores and restaurants...etc. only in recent years has our local government revamped the quality of service, s
Electronics Forum | Wed Apr 17 21:13:53 EDT 2002 | ianchan
Pondering over general perception that SMT technicians are amongst the lowest grade job levels within the company (next to operators?), you have all been warned by the experiences of Mr Guy Kawasaki. During Mr.Guy's career days with the initial (Ap
Electronics Forum | Thu Apr 18 14:03:52 EDT 2002 | Hussman69
In general, I always consider machine support a key factor when buy equipment. Being rude on the phone is a part of it. There have been several times when I have asked the service guy why he's being such an ass to me - and most times they tell me w
Electronics Forum | Thu Apr 18 21:47:59 EDT 2002 | ianchan
Hi, I did IT sales part-time to support myself with the fees required thru' 3 years of engineering school. so have had my share of "pointy hair" dudes (recall dilbert's office boss) breathing down my neck before.*grinz* Yep, complaining by itself a
Electronics Forum | Mon Apr 29 05:25:13 EDT 2002 | ianchan
Hi, we do Sn plated I/O pinning insertion into Ni/Au thru' holes. no problems here so far, as we cater for the "interference" (fit-allowances) of the I/O pin into the thru' diameter, via improved PCB thru' hole designs. before this cater/considerati
Electronics Forum | Tue Apr 23 13:51:03 EDT 2002 | Ken Bliss
We get inspected regularly and the only items we have had to ground where flammable liquid drums or a drum that had flammable or explosives fumes (partially full), I cannot see any reason why they would require grounding if no hazard was present. We
Electronics Forum | Fri Apr 19 07:50:24 EDT 2002 | pjc
I used to build flash memory products for M-Systems. Up to 30,000 per week. Nothing special in the process for these boards. 1mm and 0.4mm thick std. FR4 PCBs are used. Double-Sided reflow. The 0.4mm thin boards require process carriers. Panelized 24
Electronics Forum | Sun Apr 21 19:56:57 EDT 2002 | francis khoo
Hello Pete, Very true about the heel fillet. Looks like the pad at pcb has to be designed such that the pad should extend at heel but short at toe. About the encapsulation. I can understand the requirements. Can you provide me with a more detail proc
