Electronics Forum | Wed Aug 28 10:16:12 EDT 2002 | Jim M.
Sam We install a lot of die in the SMT room using same process as SMT parts.Water soluble solder paste is used for attachment of die to ceramic and boards. Biggest problem i found is the adjustment from installing the die in the bonding area. The t
Electronics Forum | Tue Aug 27 03:45:36 EDT 2002 | seje
Hi there. We are considering to attach die chip with solder paste to the pcb at the SMD line (we are used to attach it with silver epoxy at the die bonding line before). This is a whole new method to me, so I'd like to have some opinions here. Where
Electronics Forum | Thu Aug 19 15:49:05 EDT 2004 | pjc
Hi Erhard, Go to http://www.globalstencil.com They are the stencil firm that worked with MPM for developing technology for printing with thick stencils that are milled out on the bottom to account for existing components on the top side of a PC boa
Electronics Forum | Wed Jul 22 10:26:46 EDT 1998 | Bob Yost
My firm has just begun it's first PCB that will use BGA packaging. I have been reading up on the processes involved with BGAs and was wondering if you need to apply solder paste to the pads prior to applying heat and mounting the part to the board.
Electronics Forum | Tue Apr 26 11:22:48 EDT 2005 | denismeloche
I have found that Sn62 solder gives better strength and leach resistance when soldering to gold surfaces. The gold needs to be at least 5 to 10 micro inches thick to prevent nickel oxidation but if over 25 micro inches will cause brittleness. I hav
Electronics Forum | Sat Apr 23 19:31:25 EDT 2005 | molosse21
Hi, Is there a solder paste alloy espacially done to solder components on a pcb gold plated ??? I am using the AIM 297DX SN63/PB37 no clean and i had a comments from my customer telling me that i am not using the right alloy. Personally i never he
Electronics Forum | Tue Apr 26 15:21:11 EDT 2005 | russ
Sounds to me like they are thinking since they have a gold board that it must be processed lead free. This kind of thing is happening all over since OEMs are starting to think about pb free and sending their purchasing and engineering to these semin
Electronics Forum | Mon May 23 21:30:31 EDT 2022 | jojoled
I am looking for recomendation for best paste printer (or paste dispenser) whoch can inspect the solder paste after printing AND it can be used for simple 2D inspection of assembled PCB too (AOI)... I dont have space for 2 machines now , so both feat
Electronics Forum | Wed May 25 19:25:24 EDT 2022 | jojoled
Thanks "Spoiltforchoice" for Informations, I have found allready a Chinese company which has such machines, just wanted to check other options from other countries too. I know it is from other end of linear process, but from my point of view (plus wh
Electronics Forum | Tue May 24 07:51:43 EDT 2022 | spoiltforchoice
Doesn't exist. True Solder Paste dispensing is a Mycronic only solution with Essemtec coming behind with slightly less cpapbility. With Essemtec you can have one machine that prints and places, that saves space, with Panansonic you can have machines
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