Substrate etch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Aug 30, 2013
filing date -
Aug 30, 2013
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An example provides a method including sputtering a metal catalyst onto a substrate, exposing the substrate to a solution that reacts with the metal catalyst to form a plurality of pores in the substrate, and etching the substrate to remove the plurality of pores to form a recess in the substrate.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
HEWLETT-PACKARD DEVELOPMENT COMPANY L P | 11445 COMPAQ CENTER DRIVE WEST HOUSTON TX 77070 |
International Classification(s)

- 2013 Application Filing Year
- H01L Class
- 22267 Applications Filed
- 20713 Patents Issued To-Date
- 93.03 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
McKay, Roger A | Corvallis, US | 3 | 0 |
# of filed Patents : 3 Total Citations : 0 | |||
Sadik, Patrick Wayne | Corvallis, US | 2 | 0 |
# of filed Patents : 2 Total Citations : 0 |
Cited Art Landscape
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Patent Citation Ranking
- 0 Citation Count
- H01L Class
- 0 % this patent is cited more than
- 7 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 | Dec 5, 2025 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 02, 2021 | FEPP | FEE PAYMENT PROCEDURE | free format text: SURCHARGE FOR LATE PAYMENT, SMALL ENTITY (ORIGINAL EVENT CODE: M2554); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY |
Aug 02, 2021 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YR, SMALL ENTITY (ORIGINAL EVENT CODE: M2551); ENTITY STATUS OF PATENT OWNER: SMALL ENTITY year of fee payment: 4 |
Jan 30, 2018 | I | Issuance | |
Jan 10, 2018 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jan 07, 2016 | P | Published | |
Mar 20, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HUANG, ZHIWEI;BERGHOLT, MADS SYLVEST;ZHENG, WEI;AND OTHERS;REEL/FRAME:036388/0416 Owner name: NATIONAL UNIVERSITY OF SINGAPORE, SINGAPORE Effective Date: Mar 20, 2014 |
Feb 19, 2014 | F | Filing | |
Feb 19, 2013 | PD | Priority Date |

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