When I was dealing with a conformal coating adhesion issue with solder mask waaaayyy back, from one manufacturer alone, there were more than 1,500 different variants of the same solder mask customer dependent.

On that basis, I would suggest you are looking at several tens of thousands.

Good luck.

Graham Naisbitt

> On 10 Jun 2015, at 20:38, Mike Fenner <[log in to unmask]> wrote:
> 
> Suggest you might be able to get an idea by looking at the [online]
> exhibitor lists for major shows such as Apex Productronica and if there are
> any specialist PCB fab shows so on.
> 
> -- 
> Regards 
> 
> Mike Fenner 
> BS&P
> 
> 
> -----Original Message-----
> From: TechNet [mailto:[log in to unmask]] On Behalf Of Richard Kraszewski
> Sent: Monday, June 08, 2015 4:28 PM
> To: [log in to unmask]
> Subject: [TN] Simple Question (I think )
> 
> Would anyone be in a position to provide an "educated guess"  as to how many
> soldermask manufacturers and unique soldermask products are out there on the
> global market today?
> 
> Rich  Kraszewski
> Senior Process Engineer
> Plexus Engineering Solutions 
> 
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