Etch processing system having reflective endpoint detection

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12007686
APP PUB NO 20210263408A1
SERIAL NO

17313928

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Embodiments include wafer and photomask processing equipment. An etch processing system including an endpoint detection system having a light source and a photodetector is described. In an example, the light source emits light toward an alignment region over a substrate support member of an etch chamber, and the photodetector receives a reflection of the light from the alignment region. The reflection is monitored for endpoint and process control. A second light source emits light toward the alignment region, and a camera receives the light to image the alignment region. The image can be used to align the light emitted by the endpoint detection system to a spot location within the alignment region, e.g., within an alignment opening of a substrate mounted on the substrate support member.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
APPLIED MATERIALS INC3050 BOWERS AVENUE SANTA CLARA CA 95054

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Grimbergen, Michael N Redwood City, US 34 804
Nguyen, Khiem K San Jose, US 16 298

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 Dec 11, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 11, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 11, 2035
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