Electronics Forum | Mon Oct 14 12:39:38 EDT 2013 | lkavan
Dear friends, I have another question about Tenryu MT5530. There is a wrong software on PCMCIA memory card in one machine. Can you help me how to read and write this card. I tried to insert it into notebook PCMCIA slot and it doesn't work, Windows ca
Electronics Forum | Fri Jan 15 05:33:05 EST 2016 | jvercamm
hi, I would like to know if SMD parts (soic, small qfp, large qfp and tsop parts) can be programmed before PCB assembly and, if true, which companies can do this. These parts are either embedded microcontrollers with flash memory, flash memory and
Electronics Forum | Fri Jan 15 09:18:28 EST 2016 | whitewing
If you're using Microchip parts, Microchip can supply ready programmed (and marked) via Microchipdirect. Some distributors also offer programming services
Electronics Forum | Fri Dec 16 07:42:05 EST 2005 | pavel_murtishev
Good evening, We noted one more very strange problem with flash memory chips. Device fails test due to flash chip malfunction. From the first sight open joint or cold joint can cause such problem. But all chip legs are soldered well. We just heat th
Electronics Forum | Thu Apr 18 21:34:35 EDT 2002 | davef
Nothing special. [Follow your paste supplier's recommendations for reflow.] SanDisk� NAND flash memory are sold as TSOP [thin small outline package] devices. Here�s what the innards of a card looks like: http://www.mittoni.com/information/insidecf
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 | Mon Apr 22 09:07:43 EDT 2002 | pjc
Francis, The potting encapsulation process was in the mfg. of flash-disk devices built on a DIP formfactor. Compact flash do not normally get potted. Ultrasonic welding or snap-togther is methods for closing the compact flash housing. The potting mat
Electronics Forum | Sun Apr 21 09:52:07 EDT 2002 | pjc
Francis, The problem with shorter solder lands is you may have a problem getting good heal fillets. In the flash products I built the PCBA was inserted into a plastic shell and then we did an epoxy encapsulation using a Camalot machine. Toshiba, Sams
Electronics Forum | Tue Feb 01 16:56:46 EST 2022 | rstellema
Hello all, I have a couple of old FUJI CP-6 SMT placement machines that are operating with very old PCMCIA Flash Memory cards. I would like to insure that I have back-ups should the memory cards fail. I assume that I would need a support USB reader/w
Electronics Forum | Tue Dec 03 09:54:20 EST 2019 | davef
CURIOUS MINDS WANT TO KNOW Which processes are "front end" and which are "back end"? Why are they separated like that? Why are "front end" and "back end" processes usually done in separate plants? What are the high-value activities? Which activi
