EUV light source and exposure apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jul 11, 2017
Issued Date -
N/A
app pub date -
Oct 16, 2015
filing date -
Oct 16, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An extreme ultraviolet (EUV) light source is provided. The EUV light source comprises a spray nozzle array having a plurality of spray nozzles configured to spray a plurality of rows of droplets to an irradiating position; a laser source configured to generate a first laser beam and a second laser beam and cause the first laser beam and the second laser beam to alternately bombard the rows of droplets to generate EUV light with increased output power; a focusing mirror having at least two first sub-focusing mirrors and at least two second sub-focusing mirrors; and a first driving device having at least two first sub-driving device and at least two second sub-driving device, each of first driving devices driving one of the first sub-focusing mirrors and each of the second sub-driving devices driving one of the second sub-focusing mirrors.
First Claim
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Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION
International Classification(s)

- 2015 Application Filing Year
- G21K Class
- 287 Applications Filed
- 220 Patents Issued To-Date
- 76.66 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Shu, Emily Yixie | Shanghai, CN | 11 | 111 |
# of filed Patents : 11 Total Citations : 111 | |||
Wu, Qiang | Shanghai, CN | 535 | 3977 |
# of filed Patents : 535 Total Citations : 3977 | |||
Yue, Liwan | Shanghai, CN | 9 | 39 |
# of filed Patents : 9 Total Citations : 39 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- G21K Class
- 0 % this patent is cited more than
- 8 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 11, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 11, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Aug 29, 2022 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2552); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 8 |
Jul 27, 2018 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551) year of fee payment: 4 |
Mar 24, 2015 | I | Issuance | |
Mar 04, 2015 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Feb 07, 2013 | P | Published | |
Oct 08, 2012 | F | Filing | |
May 15, 2009 | PD | Priority Date |

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