Hello Waleed,

LPI = Liquid Photo Imaging  for Solder Mask =  the best for most aplications
(Versus screen printed Solder Mask)
SMOBC = Solder Mask Over Bare Copper
(in the past Solder Mask were done over Reflow Tin/Lead)

Best Regards
Roland

www.PCBspecialist.com
PCB Consultant - Company viability - Technology choice - Yield improvement -
Company Strategy - Euipment choice - Company acquisition
Tel. +41-22-880-0405 - GSM +41-79-203-3723 - Fax +41-22-880-0409 - eFax from
USA +1(978) 334-8263
----- Original Message -----
From: "Waleed Abdel-Hameed" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Monday, November 20, 2000 8:03 AM
Subject: [TN] LPI , SMOBC.


> Dear all:
>            thank you for replay about (HASL). Also i need to know what is
> LPI , SMOBC.
> thanks
> waleed
>
> --------------------------------------------------------------------------
-------
> 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
> Search previous postings at: www.ipc.org > On-Line Resources & Databases >
E-mail 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
Search previous postings at: www.ipc.org > On-Line Resources & Databases > E-mail 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
---------------------------------------------------------------------------------