Electronics Forum: solder (Page 843 of 2099)

Incomplete reflow

Electronics Forum | Sat Apr 05 17:34:53 EDT 2014 | davef

The middle picture shows what looks to be solder balls littered across the surface. Turn-up the heat knob!!!

Solder Paste Storage

Electronics Forum | Mon Apr 21 10:38:56 EDT 2014 | cyber_wolf

Talk to your paste supplier. There are many variables to your question.

Soldering to a nickel plated battery terminal

Electronics Forum | Tue Apr 22 08:55:54 EDT 2014 | davef

I assume that you're talking about wanting to solder to metal tabs that are spot welded to the battery terminal. These tabs are not meant to be soldered. The metal was special selected for welding. In the old days, you could buy plumbing flux at th

browny, brassy, dark, HAL Pb-free pads

Electronics Forum | Tue May 20 18:38:23 EDT 2014 | hegemon

From the picture I would say the problem lies with the PWB manufacturer. It looks as though some part of the plating process was not optimal during the PWB production run, and you have the resulting discoloration following the reflow process. What

Thiourea exposure in manual soldering of immersion tin PCBs

Electronics Forum | Mon Jun 02 15:51:17 EDT 2014 | sync40

Thank you so much again davef for your new reply. This past weekend I was looking for more information regarding this subject, but, as you stated there is no information about thioruea concerns during assembly soldering operations, mainly focused in

PIHR... what do you think...?

Electronics Forum | Tue Jun 10 12:11:03 EDT 2014 | jorge_quijano

this is a Class II product. If I increase the openings... will I have random solder balls?

PIHR... what do you think...?

Electronics Forum | Tue Jun 10 12:21:10 EDT 2014 | rway

Probably not considering you have ample volume left on your land area for more solder.

Vacuum Soldering

Electronics Forum | Thu Jun 12 10:26:27 EDT 2014 | jax

For Vapor Phase: approximately .04 bar or 30 torr for around 10 seconds.

Solder Bridging On SMD Pad for Nexlev Connector

Electronics Forum | Thu Oct 30 23:46:20 EDT 2014 | beilimanu

What's the software you are using? Modify it manually. It should not be difficult.

Solder Balls at component side around Pin in Paste components

Electronics Forum | Sat Nov 15 05:08:45 EST 2014 | grimus

Same side (component side) if You give me e-mail I can provide You more pictures. I'm making one stroke with same speed (I'm using closed proflow head and DEK printer). 5 mils thickness stencil. Products requirement - 3 IPC Class (75 % and more fill


solder searches for Companies, Equipment, Machines, Suppliers & Information

Potting and Encapsulation Dispensing

Training online, at your facility, or at one of our worldwide training centers"
SMT feeders

Nozzles, Feeders, Spare Parts - Siemens, Fuji, Juki, Yamaha, etc...
Global manufacturing solutions provider

Easily dispense fine pitch components with ±25µm positioning accuracy.
Equipment Auction - Eagle Comtronics: Low-Use Electronic Assembly & Machining Facility 2019 Europlacer iineo + Placement Machine  Test & Inspection: Agilent | Tektronix | Mantis Machine Shop: Haas VF3 | Haas SL-20 | Mult. Lathes

Software for SMT placement & AOI - Free Download.
design with ease with Win Source obselete parts and supplies

Private label coffee for your company - your logo & message on each bag!