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Reply To: | TechNet E-Mail Forum. |
Date: | Sat, 8 Aug 1998 13:49:41 -0700 |
Content-Type: | text/plain |
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Kelly Kovalovsky wrote:
>
> We typically receive no cost reduction from the PWB manufacturers for switching
> from HASL to OSP or vice versa. This applies in a general case. If there is a
> particular advantage to the supplier to get away from solder (say you have a
> very stringent requirement of no solder on the gold contacts of a board) then
> you may get cost advantages in isolated cases.
>
> In the case of the assembly house, it depends. It depends on how much better
> your yields get with the advantages (flat solderable surfaces) of the OSP. Or
> how much worse your yields get with the OSP. (handling and storage related
> issues)
>
> There is some Assembly process learning curve with the OSP, but in my opinion,
> if you are going to start working in the 0.020" pitch SMT and under arena, you
> should get on the curve.
>
> Kelly Kovalovsky
>
> [log in to unmask] on 08-06-98 01:27:38 PM
> Please respond to [log in to unmask]
> To: [log in to unmask]
> cc:
> Subject: [TN] HASL v/s OSP
>
> Fab/Assembly Expert:
> I have two questions related to price reduction if I change my pcb surface
> finish from HASL to OSP coating (Enthone CU106A).
>
> (1) How much price reduction (in terms of %) can I expect from fab house?
> (2) And also how about cost reduction from assembly house?
>
> You can provide me the range if number of layers matters.
>
> re,
> Ken Patel
> ______________________________________________________
> Ken Patel Phone: (408) 490-6804
> 1708 McCarthy Blvd. Fax: (408) 490-6859
> Milpitas, CA 95035 Beeper: (888) 769-1808
>
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> ################################################################Price should not be the issue. It should be performance issues such as
solder joint strength, long term reliability, easse of assembly.
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TechNet E-Mail Forum provided as a free service by IPC using LISTSERV 1.8c
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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's web site (http://www.ipc.org) "On-Line Services" section for additional information.
For technical support contact Hugo Scaramuzza at [log in to unmask] or 847-509-9700 ext.312
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