Electronics Forum | Thu Feb 19 12:35:13 EST 1998 | Earl Moon
| | We are currently investigating alternatives to HASL for circuit boards with 20 mil pitch smt pads and below. If you have experience with this product or simular immersion tin products with respect to manufacturing or assembly I am very interest
Electronics Forum | Thu Dec 11 20:33:37 EST 1997 | Ben Salisbury
Another good source I've come to use quite often is the search engine from National Semi-Conductor. The link to the page is down below. If you ever run into a situation where you only know the company of manufacture for the chip, go to their web site
Electronics Forum | Wed Aug 29 21:14:50 EDT 2001 | davef
Yes, KerryN is soooo clever. Posting her sales messages as if they were from an actual user. I think we should all go to SMTAI and ... umm say hi over at the Smartsonic booth. Get drilled by the boxes along the edges, get drilled by her, maybe wha
Electronics Forum | Thu Aug 30 13:43:33 EDT 2001 | jseagle
I know that Contact says it will do it but I am having difficulties placing a 20 mil TSOP with consistant results so I don't really trust how well it will be able to place a 15 mil QFP. The part is going to be used on every board we produce, average
Electronics Forum | Sat Sep 01 18:14:39 EDT 2001 | Dreamsniper
your glue volume measurement is dictated by your stencil aperture size and thickness when you use stencil printing. Why you need to measure your glue volume deposition? I don't think that this is the right way yet for your undefined problem. What's t
Electronics Forum | Fri Aug 31 08:44:35 EDT 2001 | karkanov
Hi, For the production we use a Topaz from Philips, But we must always go on the machine to place the board correctly, like the position on the cad file and the one we see on the board is not good enought to start the production right away, do you
Electronics Forum | Wed Sep 26 14:58:46 EDT 2001 | bobm
i have stored boards in the refrigerator in side a tray (with a lid) for 2 days and still had them reflow with no problems. i don't know if i would go any longer than that. i would not put any qfp's or any other device that is moisture sensative dev
Electronics Forum | Fri Sep 07 15:19:42 EDT 2001 | davef
Watt tiepoo? [Cereally, you can usually fix typos after you post by using the P yellow �edit� button that shows when you are looking at your posting.] We�re had people on SMTnet that were washing their boards with a brush attached to the end of a ga
Electronics Forum | Thu Sep 20 13:47:56 EDT 2001 | kmgiridhara
Hai, Now we working to setup a complete SMT line in our organisation. We wanted to print the glue on the paste printer itself. However one supplier told us not to go for this process as it is too 'messy'. Is it true? In order make this process a 'e
Electronics Forum | Sat Sep 22 09:07:56 EDT 2001 | davef
Back-stepping a bit. If a profile is being used to: * Set-up the oven for a new product or trouble-shooting process, the profile should be taken with a solid contact to a solder connection. * Monitoring on-going stable and in-control process that re
