[Coco] new mylars

[Boisy G. Pitre]

> On Aug 11, 2015, at 10:39 AM, Brian Blake <random.rodder at gmail.com> wrote:
> 
> On 8/11/2015 11:13 AM, Boisy G. Pitre wrote:
>> Option 2. Relayout the entire keyboard mylar with Eagle or a similar tool, let the autorouter figure out the placement of the traces, and then submit gerbers. This seems to be a more durable and flexible option.
> 
> That would be the best option for future-proofing.

Agreed. 

>> In both cases, care must be taken to get the size exactly right. The additional gotchas are the screw holes which must exactly align in the proper places when the mylar is folded.
>> 
>> There’s also the plastic sheet insert that goes between the folded mylar. It also has specific holes for allowing the key contacts to go through as well as the screw holes.
> 
> I certainly don't want to layout the mylar with all of the holes.

But that is needed to ensure that the product fits. As I said, it’s tedious.

> 
>> Also there must be a rigid plastic piece glued onto the tail that is inserted into the 16 pin connector on the motherboard.
> 
> That's what's wrong with the one I took pics of - that rigid piece is gone.
> 
>> All in all, to get it right would be very tedious.
>> 
>> In the end, we came to the conclusion that the minimum order quantity that would be required along with the effort to properly duplicate the keyboard mylar (option 2 above) would be considerable when weighed against the availability of things like the PS/2 keyboard interface.
>> —
>> 
> 
> You're not just trying to sell us a product, are you Boisy???  ;) ;)

Well, I’m only sharing our experience in looking into this. Others may find a better alternative, and that’s ok.