Electronics Forum: (4) (Page 377 of 662)

Whats new in 3D AOI?

Electronics Forum | Thu Apr 27 05:45:20 EDT 2017 | pavel_murtishev

methos1979, 1. Mirtec, Marantz 2. Koh Young, Orbotech, Mirtec 3. Koh Young Zenith 4. Definitely Programs for 3D AOI are prepared really faster. Having defined component database, programming takes no more than a couple of hours. Fine tuning takes u

Which kind of supplier should I choose for pcb fabrication?

Electronics Forum | Sat Jul 29 02:05:39 EDT 2017 | benny

We now offer free expedite for PCB prototype. Min $5 for Standard 1-2 layers board with 24-48H lead time http://www.allpcb.com/T2 Min $34.78 for Standard 4 layers board with 48-72H lead time http://www.allpcb.com/T2 We thi

Which kind of supplier should I choose for pcb fabrication?

Electronics Forum | Wed Nov 22 00:44:13 EST 2017 | wellpcb

Hello there, Do not know if you have already chosen the supplier to start your order. This is wellpcb, which have two modern PCB factories. WellPCB specializes in online prototyping and assembly. WELLPCB is capable of producing 100,000 square feet o

Quad 4C placement offset

Electronics Forum | Thu Jul 06 11:47:10 EDT 2017 | bobpan

Are you sure the board is clamping tightly. If it moves during a run this can happen. Before reseting the machine. Go and check your feeders. If they are off the same amount....then the machine truly has a drift in that axis...if the feeders are stil

Pick and Place vs CAD File

Electronics Forum | Fri Nov 24 22:32:12 EST 2017 | myke03o

Some Customers normally don't share CAD data in order not to copy the design. What you can do is use the Pick and Place file then plot to the pcb paste/silkscreen layer of the gerber using software. Not sure if your universal machine can load a gerb

U.S. PCB Suppliers 48

Electronics Forum | Thu Mar 08 07:24:40 EST 2018 | proceng1

That's what I said when we started talking about 48inch boards. Everything changes. New printer, bigger stencils, new pick & place. Different even profiling (the board is in 3 zones at the same time). Plus board racks don't work well. The old Boa

QFN84 Solder Printing Issue (QFN with Inner LGA Pad)

Electronics Forum | Fri Dec 01 12:56:33 EST 2017 | emeto

It seems that it will work with 5 mil stencil. To be safe use 4 mil if the rest of the design allows it. 10x20mil apertures for both rows. If you have bigger footprint in the corners, make bigger apertures there. For the ground plane, I would use ver

QFN84 Solder Printing Issue (QFN with Inner LGA Pad)

Electronics Forum | Mon Dec 04 08:43:39 EST 2017 | bandjwet

If you are looking to rework (after all of the previous suggestions are taken and tried....you have some solid ones in there). When a device like this is placed and is hard to get to we use the 7721 bumping process using a controlled heat source (no

Adding conveyor to 4000c

Electronics Forum | Tue Dec 05 20:55:35 EST 2017 | tristanl

Hi all, We traded our 4c work holder for a transport with another company. Eventing works, except that when I put a board in it does not index. All the other functionality seems ok. The rail width moves, I can eject the board, and it knows it needs

Vitronics XPM820 Alarm - Power Failure

Electronics Forum | Fri Jan 12 09:22:51 EST 2018 | dskling

Hello We have a Vitronics XPM820 that has us stumped. We have replaced both power supplies (G1 and G2) and we still cannot clear this alarm. The A1 board has all 4 leds light for proper voltages. We have verified that we are getting the correct vo


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