TECHNET Archives

February 2000

TechNet@IPC.ORG
Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
Re: Solder mask dams between fine pitch parts
From:
"d. terstegge" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Tue, 8 Feb 2000 17:51:12 +0100
Content-Type:
text/plain
Parts/Attachments:
text/plain (49 lines) 
Chech the Technet-archives and you'll see that opinions about solderresist-dams vary from "absolutely necessary" to "has no advantage at all". Board manufacturers normally start complaining when leadpitches are at 20 mils or below.

Daan Terstegge
Unclassified mail

>>> Barbara Burcham <[log in to unmask]> 02/08 4:04 pm >>>
What is the assembly industry take on the advisability of solder mask dams
between the pads on fine pitch parts - 25 mil?
To have or not to have?
What is the fabrication industry take on the maunfacturability of solder
mask dams between the pads on fine pitch parts - 25 mil?
To fab or not to fab?

Barbara J. Burcham, CID
PCB Designer
Fairfield Industries
Sugar Land, TX 77478
281-275-7687 Work
281-275-7550 Fax
[log in to unmask] 

##############################################################
TechNet Mail List 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 TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################

##############################################################
TechNet Mail List 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 TECHNET <your full name>
To unsubscribe:   SIGNOFF TECHNET
##############################################################
Please visit IPC web site (http://www.ipc.org/html/forum.htm) for additional
information.
If you need assistance - contact Gayatri Sardeshpande at [log in to unmask] or
847-509-9700 ext.5365
##############################################################

ATOM RSS1 RSS2