Electronics Forum | Mon Jul 11 13:21:40 EDT 2016 | bradholland
well there you go. I found that trying different values in the "Placing Stroke" had a big effect. I changed it to 2mm and it placed them well, but I could see the board also flexing a little, went to 1mm and the problem came back, so have sat in th
Electronics Forum | Wed Jul 13 17:50:26 EDT 2016 | davef
From "Assembly" magazine, "Moisture-Sensitive Devices" [ http://www.assemblymag.com/articles/85082-moisture-sensitive-devices ] ... a description of the moisture sensitive device problem. I agree with Evtimov * During board assembly solder process,
Electronics Forum | Mon Jul 18 22:31:25 EDT 2016 | cmchoue
Hello, Experts I have a question about Through hole SMD part in SMT process The PIN Length can't over PCB board how many that will happen defect? any advice or data(IPC rule maybe) ? Thanks Wish you have a nice day
Electronics Forum | Tue Aug 02 10:46:03 EDT 2016 | proceng1
We are getting more and more customers wanting LED boards built on White Solder Mask. Well our printers do not get as much contrast between the white mask and the plated fiducial pad, and often the camera only sees white. Other than playing with
Electronics Forum | Thu Aug 11 12:45:42 EDT 2016 | anhsang38
Dear All I have a question for the reflow machine. I'm using Vitronics(Mr933+)reflow. The peak temperature of the (Chip, LED, SOT) component higher than (QFP,LGA) about 4 degree when i measured proflie. All of them on the same board . I don't know w
Electronics Forum | Thu Aug 18 09:46:40 EDT 2016 | jbuckley
Put anything over one of the fiducials being used in the circuit, and run the board. It will stop, and on the top right a window will pop up. Click "Skip Current Module" and it will X-out that circuit. If you are using the fiducials on the rail, rath
Electronics Forum | Wed Sep 14 02:41:49 EDT 2016 | bukas
here is well explained SMEMA interface http://www.daghee.com/?p=326 so, disconnect printer from upline modules and check are any 2 of 4 pins shortened(should be pins No 1 & 2) while machine is ready state. when machine is in busy state the same pin
Electronics Forum | Thu Sep 15 06:45:26 EDT 2016 | awhite
Hi Ariss_T, Thanks! I actually did check that...that was one of my first thoughts as well. While in the I/O, I slide a raw board back and forth under the camera/sensor and it acted appropriately. I will definitely update this thread as new informa
Electronics Forum | Thu Sep 29 18:57:14 EDT 2016 | vchauhan
Is it ok to re-print the mis-print PCB? Personally I am oppose to re-print the mis-print board. For two reasons. 1. You will end up adding solder paste on the bottom side of the stencil. 2. You may smear solder paste in some area. But I would like to
Electronics Forum | Sat Oct 01 15:51:54 EDT 2016 | mnikhilesh
I have seen a small nickel pad (probably) soldered on PCB which is used to spot weld the other nickel strip coming from battery. I have seen them in chinese protection boards. I need to know how and where I can find them? Is there any technical name
