METHOD AND APPARATUS FOR ACCELERATED WEAR TESTING OF AGGRESSIVE DIAMONDS ON DIAMOND CONDITIONING DISCS IN CMP
First Claim
1. A method for accelerated pulling and fracturing of aggressive diamonds on a CMP diamond conditioner disc wherein aggressive diamonds of known position are pulled or fractured by contacting the diamond conditioner disc to a plate or sheet of a hard material or a plate or sheet containing discrete structures of hard material relative to which the diamond conditioner disc is held and contacted under a load and moved by a motion means at a determinable and reproducible rate for a determinable and reproducible period of time and the number and position of the pulled or fractured aggressive diamonds are determined following the completion of said contact.
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Abstract
The present invention is a method and apparatus for accelerated pulling and fracturing of aggressive diamonds on a CMP diamond conditioner disc wherein aggressive diamonds of known position are pulled or fractured by contacting the diamond conditioner disc to a plate or sheet of a hard material or a plate or sheet containing discrete structures of hard material relative to which the diamond disc is in motion at a determinable and reproducible rate for a determinable and reproducible period of time and the number and position of the pulled or fractured aggressive diamonds are determined following the completion of said contact.
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24 Claims
- 1. A method for accelerated pulling and fracturing of aggressive diamonds on a CMP diamond conditioner disc wherein aggressive diamonds of known position are pulled or fractured by contacting the diamond conditioner disc to a plate or sheet of a hard material or a plate or sheet containing discrete structures of hard material relative to which the diamond conditioner disc is held and contacted under a load and moved by a motion means at a determinable and reproducible rate for a determinable and reproducible period of time and the number and position of the pulled or fractured aggressive diamonds are determined following the completion of said contact.
- 22. An apparatus for accelerated pulling and fracturing of aggressive diamonds on a CMP diamond conditioner disc wherein aggressive diamonds of known position are pulled or fractured by contacting the diamond conditioner disc to a plate or sheet of a hard material or a plate or sheet containing discrete structures of hard material relative to which the diamond conditioner disc is held and contacted under a load and moved by a motion means at a determinable and reproducible rate for a determinable and reproducible period of time and the number and position of the pulled or fractured aggressive diamonds are determined following the completion of said contact.
Specification