Hysol 1000 is a true thermal epoxy based Solder Mask that does not contain any acid functionality and monomers (oligomers) that are required for the photochemical imaging reaction.
 
Because of that the mask has much better properties than the photoimagable LPSMs.
The downside is that the resolution is basically limited by the screen and equipment.
 
Leo Roos
----- Original Message -----
From: [log in to unmask] href="mailto:[log in to unmask]">Brooks,Bill
To: [log in to unmask] href="mailto:[log in to unmask]">[log in to unmask]
Sent: Wednesday, June 25, 2003 8:53 AM
Subject: Re: [TN] Hysol SR1000, SR1001 - why?

Thanks Steve.

 

Most of the boards I see use LPI. Mainly, I think because of the accuracy with which it can be applied. Is Hysol SR1000 a Silkscreen only material?

Bill Brooks

-----Original Message-----
From: Steve Gregory [mailto:[log in to unmask]]
Sent: Wednesday, June 25, 2003 8:48 AM
To: [log in to unmask]
Subject: Re: [TN] Hysol SR1000, SR1001 - why?

 

Hi Bill!

SR1000 is just a real tough mask. It's got a matte finish so silkscreen and conformal coating adhere well...

I've got the datasheet here on my 'pooter, I'll send it to you off-line.

-Steve Gregory-




Can anyone tell me what PCB design parameters would drive the use of Hysol SR1000 or SR1001 for use as solder mask on a PCB? Why would it be specified for a specific design over other solder masks? Is there some special reason for specifying it? Does it have some special property that would make it preferable to LPI?  I can't seem to locate a data sheet on it to evaluate its properties.



Bill Brooks



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