Method and setup for detecting surface haze of materials

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12241845
APP PUB NO 20230341336A1
SERIAL NO

17789775

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention provides a method for detecting surface haze of materials, comprising: optionally, preliminary inspection, which is conducted on materials, to identify the materials with no visible surface defects; and surface haze inspection, to detect the surface haze of the materials; wherein an optical filter module is configured in surface haze inspection setup to filter off the photoluminescence signal of the materials in the light path to the detector, so as to avoid the photoluminescence signal being detected by the detector. The invention further provides a setup for detecting surface haze of materials. By using the invented method and setup for detecting surface haze, it is possible to accurately obtain the surface haze value and/or distribution of the materials.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • BEIJING TONGMEI XTAL TECHNOLOGY CO., LTD.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gao, Wei Fremont, US 459 3897
Li, Haimiao Beijing, CN 4 5
Liu, Yu Beijing, CN 805 5298
Wang, Zhizhen Beijing, CN 3 0

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Sep 4, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Sep 4, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Sep 4, 2036
Fee Large entity fee small entity fee micro entity fee
Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00