Grinding tool

TWM686984UActive Publication Date: 2026-09-01DIAMOND NANOTECHNOLOGY CO LTD
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Patent Information

Application Number
TW115203006
Authority / Receiving Office
TW · TW
Patent Type
Utility models
Current Assignee / Owner
Filing Date
2026-04-08
Publication Date
2026-09-01
Estimated Expiration
2036-04-07

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Abstract

This invention discloses a polishing tool, which includes a carrier and a patterned polishing layer. The carrier includes a central portion and an outer peripheral portion surrounding the central portion. The patterned polishing layer consists of at least five polishing elements, each polishing element having a plurality of polishing particles distributed therein, and the at least five polishing elements are arranged on the outer peripheral portion in a manner that surrounds the central portion and is spaced apart from each other.
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Claims

1. A grinding tool, comprising: A carrier, comprising a central portion and an outer peripheral portion surrounding the central portion; A patterned abrasive layer is formed on the carrier and consists of at least five abrasive members, each abrasive member having a plurality of abrasive particles distributed therein, wherein at least five abrasive members are arranged on the outer peripheral portion in a manner that surrounds the central portion and is spaced apart from each other.

2. The grinding tool as claimed in claim 1, wherein, The plurality of such abrasive particles include diamond particles, carbide ceramic particles, oxide ceramic particles, nitride ceramic particles or cubic boron nitride abrasive particles.

3. The grinding tool as claimed in claim 1, wherein, The carrier can be made of metal, ceramic or high-hardness plastic.

4. The grinding tool as claimed in claim 1, wherein, The carrier has a working surface, the central portion and the outer peripheral portion are located on the working surface, and the patterned abrasive layer covers an area of ​​10% to 40% of the total area of ​​the working surface.

5. The grinding tool as claimed in claim 4, wherein, The carrier has a disc shape, the central portion of which covers the center of the carrier, and at least five of the grinding components are arranged around the center on the outer peripheral portion and protrude from the working surface.

6. The grinding tool as claimed in claim 5, wherein, At least five of the grinding components have a set distance between their geometric centers and the center of the circle, and the ratio between the set distance and the radius of the carrier is between 0.5 and 0.

9.

7. The grinding tool as claimed in claim 5, wherein, The grinding component has a rectangular shape.

8. The grinding tool as claimed in claim 5, wherein, The grinding component has a trapezoidal shape.

9. The grinding tool as claimed in claim 8, wherein, The grinding component has a curved trapezoidal shape and has a first curved edge away from the center and a second curved edge close to the center, the first curved edge being parallel to the second curved edge.

10. The grinding tool as claimed in claim 1, wherein, The number of grinding components ranges from 5 to 36.

11. The grinding tool as claimed in claim 1, wherein, There is a spacing channel between two adjacent grinding components, which is configured to allow grinding fluid and grinding debris to flow through and be discharged from the grinding tool during grinding.