The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 2005

Filed:

Dec. 19, 2001
Applicants:

Eel-young Kim, Pohang-si, KR;

Jae-young Lee, Pohang-si, KR;

Jin-gun Sohn, Pohang-si, KR;

Noi-ha Cho, Pohang-si, KR;

Young-jin Kwak, Pohang-si, KR;

Soon-joo Kwon, Pohang-si, KR;

Yong-min Kim, Pohang-si, KR;

Jung-sik Lee, Pohang-si, KR;

Inventors:

Eel-Young Kim, Pohang-si, KR;

Jae-Young Lee, Pohang-si, KR;

Jin-Gun Sohn, Pohang-si, KR;

Noi-Ha Cho, Pohang-si, KR;

Young-Jin Kwak, Pohang-si, KR;

Soon-Joo Kwon, Pohang-si, KR;

Yong-Min Kim, Pohang-si, KR;

Jung-Sik Lee, Pohang-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B015/04 ;
U.S. Cl.
CPC ...
Abstract

The steel plate is manufactured from a composition comprising C, N and S in an amount of 0.0150% by weight or less in total; Mn in an amount of 0.2 to 0.8% by weight; Al inan amount of 0.6% by weight or less; Si in an amount of 0.4% by weight or less; Cu and/or Sn in an amount of 0.1 to 0.6% by weight in total; and Fe for the remainder, and inevitably present elements, whereby the steel plate can show excellent electromagnetic shield effect and hot-dip galvanization properties.


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