Invention Grant
US08164750B2 Method and apparatus for detecting colored foreign particles in quartz powder material
有权
用于检测石英粉材料中有色外来颗粒的方法和装置
- Patent Title: Method and apparatus for detecting colored foreign particles in quartz powder material
- Patent Title (中): 用于检测石英粉材料中有色外来颗粒的方法和装置
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Application No.: US12639720Application Date: 2009-12-16
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Publication No.: US08164750B2Publication Date: 2012-04-24
- Inventor: Atsushi Shimazu , Masaki Morikawa
- Applicant: Atsushi Shimazu , Masaki Morikawa
- Applicant Address: JP Akita-shi
- Assignee: Japan Super Quartz Corporation
- Current Assignee: Japan Super Quartz Corporation
- Current Assignee Address: JP Akita-shi
- Agency: Christensen O'Connor Johnston Kindness PLLC
- Priority: JP2008-332950 20081226
- Main IPC: G01J3/46
- IPC: G01J3/46 ; G01J3/45
Abstract:
Colored foreign particles contained in quartz powder material are detected in a high precision with the specified detection apparatus even when the colored foreign particles are pale colored foreign particles such as iron-based refuse, organic refuse and carbon-based refuse.
Public/Granted literature
- US20100165347A1 METHOD AND APPARATUS FOR DETECTING COLORED FOREIGN PARTICLES IN QUARTZ POWDER MATERIAL Public/Granted day:2010-07-01
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