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Apparatus And Method For Refining Magnetic Domain Of Electrical Steel Sheet
Abstract: Disclosed herein is an apparatus for refining a magnetic domain of an electrical steel sheet and a method of refining a magnetic domain of an electrical steel sheet. The apparatus for refining a magnetic domain of an electrical steel sheet includes: a laser beam emission unit; a toroidal mirror for converting the laser beam emitted from the laser beam emission unit into a first elliptical laser beam; a switch mirror for transferring the first elliptic laser beam transferred from the toroidal mirror to a pair of scan mirrors; the pair of scan mirrors for scanning the first elliptical laser beam transferred from the switch mirror and then transferring the scanned first elliptical laser beam; a cylindrical mirror for converting the first ellip...
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Notices, Deadlines & Correspondence
Notices, Deadlines & Correspondence
Patent Information
Application #
Filing Date
24 June 2010
Publication Number
48/2010
Publication Type
INA
Invention Field
METALLURGY
Status
Email
Parent Application
Patent Number
Legal Status
Grant Date
2018-05-14
Renewal Date
Applicants
POSCO
#1 Goedong-dong Nam-gu Pohang-si Gyeongsangbuk-do 790-300 Republic of Korea
Inventors
1. CHA Sang-Yun
301-104 Halla-Tower-Mansion Yongheung 1-dong Buk-gu Pohang-si Gyeongsangbuk-do 791-755 Republic of Korea
2. KIM Jae-Kwan
9-203 Nagwon APT. Jigok-dong Nam-gu Pohang-si Gyeongsangbuk-do 790-751 Republic of Korea
3. KWON Oh-Yeoul
221-405 HyojaGreen 2-cha APT. Jigok-dong Nam-gu Pohang-si Gyeongsangbuk-do 790-752 Republic of Korea
Specification
APPARATUS AND METHOD FOR REFINING MAGNETIC DOMAIN OF ELECTRICAL STEEL SHEET
Documents
Application Documents
| # | Name | Date |
|---|---|---|
| 1 | 4602-DELNP-2010-GPA-(23-09-2010).pdf | 2010-09-23 |
| 2 | 4602-DELNP-2010-Form-18-(23-09-2010).pdf | 2010-09-23 |
| 3 | 4602-DELNP-2010-Correspondence-Others-(23-09-2010).pdf | 2010-09-23 |
| 4 | 4602-DELNP-2010-Form-3-(15-11-2010).pdf | 2010-11-15 |
| 5 | 4602-DELNP-2010-Correspondence-Others-(15-11-2010).pdf | 2010-11-15 |
| 6 | 4602-DELNP-2010-Assignment-(15-11-2010).pdf | 2010-11-15 |
| 7 | Form-5.pdf | 2011-08-21 |
| 8 | Form-3.pdf | 2011-08-21 |
| 9 | Form-1.pdf | 2011-08-21 |
| 10 | Drawings.pdf | 2011-08-21 |
| 11 | 4602-DELNP-2010-FER.pdf | 2016-09-20 |
| 12 | Other Patent Document [16-11-2016(online)].pdf | 2016-11-16 |
| 13 | Form 3 [16-11-2016(online)].pdf | 2016-11-16 |
| 14 | Other Patent Document [18-11-2016(online)].pdf | 2016-11-18 |
| 15 | 4602-DELNP-2010-OTHERS-211116.pdf | 2016-11-22 |
| 16 | 4602-DELNP-2010-Correspondence-211116.pdf | 2016-11-22 |
| 17 | Other Document [18-03-2017(online)].pdf | 2017-03-18 |
| 18 | Examination Report Reply Recieved [18-03-2017(online)].pdf | 2017-03-18 |
| 19 | Drawing [18-03-2017(online)].pdf | 2017-03-18 |
| 20 | Description(Complete) [18-03-2017(online)].pdf_49.pdf | 2017-03-18 |
| 21 | Description(Complete) [18-03-2017(online)].pdf | 2017-03-18 |
| 22 | Correspondence [18-03-2017(online)].pdf | 2017-03-18 |
| 23 | Claims [18-03-2017(online)].pdf | 2017-03-18 |
| 24 | Abstract [18-03-2017(online)].pdf | 2017-03-18 |
| 25 | 4602-DELNP-2010-HearingNoticeLetter.pdf | 2017-11-27 |
| 26 | 4602-DELNP-2010-FORM-26 [19-12-2017(online)].pdf | 2017-12-19 |
| 27 | 4602-DELNP-2010-Written submissions and relevant documents (MANDATORY) [03-01-2018(online)].pdf | 2018-01-03 |
| 28 | 4602-DELNP-2010-PETITION UNDER RULE 137 [03-01-2018(online)].pdf | 2018-01-03 |
| 29 | 4602-DELNP-2010-Power of Attorney-291217.pdf | 2018-01-04 |
| 30 | 4602-DELNP-2010-Correspondence-291217.pdf | 2018-01-04 |
| 31 | 4602-DELNP-2010-MARKED COPY [11-05-2018(online)].pdf | 2018-05-11 |
| 32 | 4602-DELNP-2010-CORRECTED PAGES [11-05-2018(online)].pdf | 2018-05-11 |
| 33 | 4602-DELNP-2010-PatentCertificate14-05-2018.pdf | 2018-05-14 |
| 34 | 4602-DELNP-2010-IntimationOfGrant14-05-2018.pdf | 2018-05-14 |
| 35 | 4602-DELNP-2010-RELEVANT DOCUMENTS [30-03-2019(online)].pdf | 2019-03-30 |
| 36 | 4602-DELNP-2010-RELEVANT DOCUMENTS [09-03-2020(online)].pdf | 2020-03-09 |
| 37 | 4602-DELNP-2010-RELEVANT DOCUMENTS [05-09-2021(online)].pdf | 2021-09-05 |
| 38 | 4602-DELNP-2010-RELEVANT DOCUMENTS [22-09-2021(online)].pdf | 2021-09-22 |
| 39 | 4602-DELNP-2010-RELEVANT DOCUMENTS [24-09-2022(online)].pdf | 2022-09-24 |
| 40 | 4602-DELNP-2010-RELEVANT DOCUMENTS [05-09-2023(online)].pdf | 2023-09-05 |
Search Strategy
| 1 | serchstrategy_09-09-2016.pdf |
| 2 | JPH07188774_29-08-2016.pdf |
| 3 | JP2003129135_29-08-2016.pdf |
| 4 | JP2002012918_29-08-2016.pdf |