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Paulson Chip manufacturing question

When these type of chips show up, there are sometimes comments on the board that the chip is 'not as from the factory' because the little squares on the clear cover don't line up with the square pattern in the body of the chip itself.

Could anyone with first hand knowledge confirm all of the steps in the REGULAR manufacturing of these types of chips?

I am guessing it is this, but I am hoping to get confirmation (or correction):

1. The 'clay' body is created with the mold imprinted and any inserts injected all the way through the body of the chip
1a. The center of the chip does NOT have the small square pattern in circular center of the chip
1b. The center DOES have a 12 pointed star shaped recess
2. A white sticker is created with the logo, lettering, denomination and other printing
3. The sticker is cut into a 12 pointed star shape
4. The sticker is placed into the 12 pointed star shaped recess in the center of the chip.
5. A thin clear plastic film is cut into a 12 pointed star shape and placed on top of the sicker in the center of the chip. Not sure if any clear adhesive is used to 'keep it down' on the sticker
6. A circular die with a fine square shaped pattern is pressed down (with high pressure and/or heat) to imprint the square pattern into both the clay and the clear plastic film at the same time.

Am I missing anything here?


picture courtesy of the chipguide

Messages In This Thread

Paulson Chip manufacturing question
Bob, try this term in searching at PCF
CROSSHATCHING!
You could write David Spragg directly
Re: You could write David Spragg directly

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