 
| Subject: | |
| From: | |
| Reply To: | Leadfree Electronics Assembly E-Mail Forum. |
| Date: | Mon, 15 May 2000 12:26:16 -0400 |
| Content-Type: | text/plain |
| Parts/Attachments: |
|
|
Zn-containing solders would have more drossing problem, but not SnAgCu
solder(s).
Best Regards,
Tsung-Yu Pan
Ford Research Laboratory,
Manufacturing Systems Department
Room 2345-1, M/D 3135, SRL Building
Tel: 313-322-6845, Fax: 313-590-0514
E-mail: [log in to unmask]
-----Original Message-----
From: Virgil Minor [mailto:[log in to unmask]]
Sent: Friday, May 12, 2000 11:14 AM
To: [log in to unmask]
Subject: [LF] TSC solder drossing
How is the heavy/fast drossing characteristic of some lead free solders (
e.g. SnAgCu) dealt with in process environment of wave soldering.
Doesn't the heavy dross effect the quality of solder tremendously with the
added surface tension?
What can be done to prevent this? I know that a trace of phosphurus can
be added into the solder to have effect on the drossing, but I would like
to know what other people in Industry know about leadfree in production.
Virgil Minor
Multicore Solders
################################################################
Leadfree E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask]
with following text in the body:
To subscribe: SUBSCRIBE Leadfree <your full name>
To unsubscribe: SIGNOFF Leadfree
###############################################################
Please visit IPC's Center for Lead-Free Electronics Assembly
(http://www.leadfree.org ) for additional information.
For technical support contact Keach Sasamori [log in to unmask] or 847-790-5315.
################################################################
################################################################
Leadfree E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
################################################################
To subscribe/unsubscribe, send a message to [log in to unmask]
with following text in the body:
To subscribe: SUBSCRIBE Leadfree <your full name>
To unsubscribe: SIGNOFF Leadfree
###############################################################
Please visit IPC's Center for Lead-Free Electronics Assembly
(http://www.leadfree.org ) for additional information.
For technical support contact Keach Sasamori [log in to unmask] or 847-790-5315.
################################################################
|
|
|
