Electronics Forum | Thu Jun 13 03:15:01 EDT 2002 | jkhiew
Hi Jax, After component placement, all melf diodes being checked & found no touching each other. Unfortunately, after reflow those MELFs are shorted.
Electronics Forum | Fri Feb 25 16:06:51 EST 2000 | Dave F
Istv�n: Given a choice, I�d run second side PLCC44s at 90� to the wave. As far as thieves are concerned, I�d have two, mirror images of each other. Unlike most, these thieves are not connected to pads. They are out-side of the last pad on the sid
Electronics Forum | Fri Feb 25 16:06:51 EST 2000 | Dave F
Istv�n: Given a choice, I�d run second side PLCC44s at 90� to the wave. As far as thieves are concerned, I�d have two, mirror images of each other. Unlike most, these thieves are not connected to pads. They are out-side of the last pad on the sid
Electronics Forum | Tue Jun 02 17:32:53 EDT 2015 | jldowsey
Les, Some of the answers to design or stencil aperture/placement machine depend upon what is the current spacing between your components which you didn't specify. Chip components such as 0402's and 0201's typically have very small reductions in pas
Electronics Forum | Fri Apr 14 13:30:20 EDT 2000 | Murad Kurwa
Hi All: Can you tell me specifically if you converted an exiting product made with Clean process using WS609 or compatible to 'No-Clean' process. We have to convert assemblies from current clean process at a CEM to No-Clean process in our own factor
Electronics Forum | Fri Feb 11 10:14:54 EST 2000 | C.K.
Dave, to answer your questions, point-by-point: � Just out of curiosity, how are second side, skippy components oriented on the board with respect to the wave? The SMD's are all oriented in the "correct" direction with respect to wave direction(i
Electronics Forum | Mon Nov 30 09:33:51 EST 2020 | chucherry5076
This articles shows how to read circuit diagrams for beginners in electronics. Learn to read electrical and electronic circuit diagrams or schematics. A drawing of an electrical or electronic circuit is known as a circuit diagram, but can also be cal
Electronics Forum | Thu Nov 20 03:58:39 EST 2014 | hhat
To get the best performance of electronic circuits, components and circuit board supports circuit components and devices in electronic products. Even if the circuit principle diagram design is correct, the printed circuit board is designed improperly
Electronics Forum | Thu Jun 17 10:37:42 EDT 1999 | Brian Wycoff
| | | | | Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down from
Electronics Forum | Thu Jun 17 11:18:03 EDT 1999 | Ian Clelland
| | | | | | Our company is experiencing cracked caps at our pick and place operations. The caps are being placed onto epoxy dots for subsequent wave solder operations. At present, be have set the pressure of the head at 2 in/lbs. This being down fr
