TECHNET Archives

May 2002

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: Coating thickness
From:
David Douthit <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Thu, 30 May 2002 21:41:40 -0700
Content-Type:
text/plain
Parts/Attachments:
text/plain (52 lines) 
Wee Mei

The answer to these questions are rather complex.
I suggest that you contact the IPC and order the new
conformal coating handbook IPC-HDBK-830.

It is in the final approval stage and can answer your
question and many many others you might have.

David A. Douthit
Manager
LoCan LLC.

fullname wrote:

> IPC-A-610C section 9.1.3 mentioned the following coating thickness :
> Type AR Acrylic resin    0.03 - 0.13mm
> Type ER Epoxy resin    0.03 - 0.13mm
> Type UR Urethane resin    0.03 - 0.13mm
> Type SR Silicon resin    0.05 - 0.21mm
> Type XY Paraxlyene resin    0.01 - 0.05mm
>
> Questions asked on behalf of my colleague are :
> 1. How does one arrive at the coating thickness for each types of
> coating material?
> 2. What is the impact to my board or components if my coating thickness
> exceed or below the range stated above?
>
> Regards - Wee Mei
>
> ---------------------------------------------------------------------------------
> Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
> To unsubscribe, send a message to [log in to unmask] with following text in
> the BODY (NOT the subject field): SIGNOFF Technet
> To temporarily halt delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL
> To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
> Search the archives of previous posts at: http://listserv.ipc.org/archives
> Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
> information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
> ---------------------------------------------------------------------------------

---------------------------------------------------------------------------------
Technet Mail List provided as a free service by IPC using LISTSERV 1.8d
To unsubscribe, send a message to [log in to unmask] with following text in
the BODY (NOT the subject field): SIGNOFF Technet
To temporarily halt delivery of Technet send e-mail to [log in to unmask]: SET Technet NOMAIL
To receive ONE mailing per day of all the posts: send e-mail to [log in to unmask]: SET Technet Digest
Search the archives of previous posts at: http://listserv.ipc.org/archives
Please visit IPC web site http://www.ipc.org/html/forum.htm for additional
information, or contact Keach Sasamori at [log in to unmask] or 847-509-9700 ext.5315
---------------------------------------------------------------------------------

ATOM RSS1 RSS2