Electronics Forum | Wed Mar 24 16:54:38 EDT 2010 | stepheniii
J-STD-033B.1 Says "For cavity packages in which water may be entrpped, water clean processes after first reflow can be an additional source of moisture. This may present an additional risk, which should be evaluated." And it talks about derating if
Electronics Forum | Mon Jun 13 07:56:37 EDT 2022 | spoiltforchoice
This is basic spreadsheet manipulation. Sort your exported BOM from your pick and place machine into the same order as your BOM. Now paste the columns you want to compare from one to into the other. In an empty adjacent column you can now put in a fo
Electronics Forum | Mon Apr 08 19:06:52 EDT 2013 | microaide
So my board is called 850152, and is in a folder called BRD297XX.DIR. AutoProgram generates the pick and place program (for two heads) without error. When it does, two more "boards" appear. 850152A B1 in folder BRD2C7XX.DIR, and 850152A B2 in folder
Electronics Forum | Fri Jan 17 04:07:12 EST 2003 | iman
A) Paste Printer : A1) identify the critical SMDs' pads. (choice should go to the BGA, CSP, MLF types...RES,CAP last in line...) A2) get a Paste measurement machine that measures readings of paste height (or better - volume) you are paste printing
Electronics Forum | Sun Apr 29 09:12:15 EDT 2007 | davef
co2 and laser * Laser Marking ** Promation ELM-700A YL [CO2][10411 Corporate Dr, Suite 104, Pleasant Prairie, WI 53158; 262-857-3100 F262-857-9847 pro-mation-inc.com/laser%20marking.htm] ** Nortek Automation SOL850 Laser Marking System [15632 Produ
Electronics Forum | Thu Apr 01 03:44:31 EDT 2010 | nico67640
Good Morning Nicolas, > > Per J-STD-033B, 5.3.3.2 > states that a Dry cabintet maintained at not > greater than 5% RH may be considered MBB > storage. > > Hope this helps > > Chris Thanks Chris for your answer. I'm ok with you about the per
Electronics Forum | Fri Apr 02 12:41:12 EDT 2010 | CL
Nicolas, 4.1.2.1 and 4.1.2.2 mention the requirements for drying an MSD to resett the clock life. 4.1.2.2 states that once a component is dried, refer to 5.3 for safe storage. Under that specification is 5.3.3.2 DRY Cabinet at 5% RH- This states tha
Electronics Forum | Fri Mar 09 04:10:18 EST 2012 | grahamcooper22
Hi, I've been supplying Totech dry cabinets in the Uk for 10 years and in that time I've realised the only places to find the correct MSL level is on the dry pack the devices are shipped in or by spending hours on the internet or speaking to the devi
Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F
Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When
Electronics Forum | Thu Feb 17 22:30:09 EST 2000 | Dave F
Alberto: There's no rules, but it works sorta like this: RESISTORS Usually marked in ohms using a standard code: First two numbers is the value Third number is the multiplier 102 = 1.0 x 10� ohm = 1000 ohm = 1 kW CAPACITOR Usually not marked. When
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