Invention Grant
- Patent Title: Laser method for making shaped ceramic abrasive particles, shaped ceramic abrasive particles, and abrasive articles
- Patent Title (中): 用于制造成形陶瓷磨粒，成形陶瓷磨粒和磨料制品的激光方法
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Application No.: US13881601Application Date: 2011-10-21
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Publication No.: US09073179B2Publication Date: 2015-07-07
- Inventor: Dennis G. Welygan , Charles J. Studiner, IV , Dwight D. Erickson , Edward J. Woo , Pingfan Wu
- Applicant: Dennis G. Welygan , Charles J. Studiner, IV , Dwight D. Erickson , Edward J. Woo , Pingfan Wu
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Bradford B. Wright
- International Application: PCT/US2011/057203 WO 20111021
- International Announcement: WO2012/061033 WO 20120510
- Main IPC: B24D3/00
- IPC: B24D3/00 ; B24D11/00 ; B24D18/00 ; B24D3/02 ; C09K3/14 ; C09C1/68 ; B23K26/38 ; B23K26/40 ; C04B35/111 ; B23K26/06 ; B23K26/08
Abstract:
A method of making shaped ceramic abrasive particles includes cutting a layer of ceramic precursor material using a laser beam and forming shaped ceramic precursor particles. Further thermal processing provides shaped ceramic abrasive particles. Shaped ceramic abrasive particles producible by the methods and abrasive articles containing them are also disclosed.
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