Electronics Forum | Tue Aug 17 15:52:47 EDT 2004 | MikeF
Here's an old thread from the archives that has some info on fluxer stones: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=5780&#Message22853 Also, DaveF recently posted this info: Tim: We haven't bought a stone i
Electronics Forum | Wed Nov 07 14:41:49 EST 2007 | mainenetservices
We are looking into what equipment would be necessary assemble circuit boards. We will most likely purchase a circuit board and use a pick and place machine to populate the board, and then send through a reflow oven. Then inspect the boards and ass
Electronics Forum | Tue Jun 09 07:23:04 EDT 2020 | ameenullakhan
Hi Team, Please help in suggesting stencil aperture opening for the 0.4 mm pitch BGA. PAD Diameter is 0.24mm. we have 0201 components also in same board. We have HIP in this BGA. Solder paste : Alpha Om5300 ( PB+ solder paste ) type 4 We have tr
Electronics Forum | Thu Sep 23 11:30:58 EDT 1999 | Earl Moon
| | Hiya, | | | | Could anyone please suggest recommended manufacturers of | | IR rework stations for the removal of various SMT comps. | | | | Cheers | | | Hey Jack: Let's not get lost. The issue is money versus process control. How much do y
Electronics Forum | Thu Dec 22 12:05:37 EST 2005 | Tony
Currently we are using a 2 step vapor soldering process to manufacture our std. lead soldered parts. The first step was done with a ls240 vapor fluid and the second was done with a ls200 fluid. Using a 221 deg C sn95/Ag5 solder for the first step a
Electronics Forum | Thu Mar 02 17:32:09 EST 2006 | sphilips
The initial cost of the battery is similar to saying the size of an iceberg is measured only by what shows above the waterline. There is a lot more to it than at first blush. The ECD Power Pack costs $245, but provides over 3500 hours of profiling.
Electronics Forum | Thu May 13 17:31:48 EDT 2021 | bandjwet
We have a PCB rework dilemma involving a reflow profile. This is a SAC305/Low Solids (aka no clean) process where we are currently hand soldering (5) components that were DNP. The boards have an acrylic coating and we take off the acrylic at the par
Electronics Forum | Fri May 26 04:58:19 EDT 2023 | auriga2001
I agree with the two other replies. Left alone, it is a defect. If it's just excess adhesive or coating, you can use IPC-7711/7721 'Rework, Modification and Repair of Electronic Assemblies' for guidance on removing. Section 2.3.1 explains how to te
Electronics Forum | Tue Nov 10 12:43:13 EST 1998 | Dave f
| What are you people using to store component reels and tubes in? I am looking for a cabinet with slots or something to store reels and tubes. We keep our components on the production floor near the machines. The cabinets we are using now are ver
Electronics Forum | Sun Aug 08 11:15:32 EDT 1999 | Earl Moon
| | Mike, | | | | Got your message and those of others concerning PCB fab supplier evaluation and qualification check lists, etc. I have a severe problem here in WI as I can hardly access the internet, and when I do it is cut off abruptly for no goo
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