Electronics Forum: placed (Page 416 of 788)

Re: Help on Qualification of Printer and Pick Place

Electronics Forum | Mon Oct 26 20:09:19 EST 1998 | Dave F

| I'm very new to the SMT process but I'm tasked to qualify a MPM Printer and a Panasert PnP m/c. The product consists of 6-10 different parts of a total of around 70. Please advice on the parameters for each m/c which I should focus on for optmizati

Help with new placement equipment

Electronics Forum | Wed Oct 14 19:32:14 EDT 1998 | John Godfrey

I need to install some new lines for high mix low volume products in an already cramp building. Could someone share any info about the machines which give you the best bang for floor space. I need a 2 machine system for placing 0402 to fine pitch, B

Re: Help with new placement equipment

Electronics Forum | Mon Oct 19 16:17:00 EDT 1998 | Curt Goldman

| I need to install some new lines for high mix low volume products in an already cramp building. Could someone share any info about the machines which give you the best bang for floor space. I need a 2 machine system for placing 0402 to fine pitch,

Re: Market place for used PCB machinery

Electronics Forum | Tue Oct 13 08:42:38 EDT 1998 | Wayne Bracy

| how to buy a used or new equipments for pcb industry | and a good s/w for design and simulation | Eng\Hossam Alzomor | Egypt | Hossam: Suggest you start right here. Check out the Industry Directory for manufacturers and the type of PCB / SMT eq

SOIC solder thieves vs enlarged trailing pads

Electronics Forum | Wed Oct 07 17:36:48 EDT 1998 | Ted Nicholas

Hello! Does any one know of a disadvantage of using the Phillips recommended wave solder SOIC footprint where the last pad on each side of the SOIC is enlarged, instead of placing an extra pair of pads behind the SOIC. Both footprint patterns seem e

Re: Contact Systems

Electronics Forum | Wed Oct 07 11:17:21 EDT 1998 | Dave F

| I'm still looking at equipment to start an SMT line. It's a jungle out there!!!!! | Does anyone know of/have experience with Contact Systems Inc.. Specifically their 3SX or 3AVX machines. They are not one of the biggies but have a substantial numbe

Re: Contact Systems

Electronics Forum | Wed Oct 28 19:46:42 EST 1998 | Steve

I have worked on the 3AVX machine before. Please contact me via email. Steve | | I'm still looking at equipment to start an SMT line. It's a jungle out there!!!!! | | Does anyone know of/have experience with Contact Systems Inc.. Specifically the

Re: Solder paste print with two thicknesses

Electronics Forum | Tue Oct 13 04:34:53 EDT 1998 | Sanjay Bhatikar

Sir, I have been thinking about your problem. I have a suggestion that may work, although it has not been tried before. How about using two stencils? First print the the whole board with a stencil for 150 micron thickness. Next, place a ste

En-Tek Coating

Electronics Forum | Tue Oct 06 15:50:12 EDT 1998 | Bill Tuttle

We are experiencing poor wetting on various components placed on a PCB with En-Tek coating. Is anyone else experiencing simular problems ? We have the following questions: 1. How can the thickness of the En-tek coating be measured? 2. Is En-tek vol

Re: DPM-Rate for SMT pprocess

Electronics Forum | Tue Oct 06 08:20:13 EDT 1998 | Charles Stringer

| Does sombbody know what DPM rate a good and reliable SMT assembly line (incl. solder paste print, assembly and feflow soldering) has? | DPM is Defects per million, usually measured on components. We run a process consisting of small to medium batch


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