MEDICAL AU-PT-PD ALLOY - TANAKA PRECIOUS METAL IND

Title:

MEDICAL AU-PT-PD ALLOY

Document Type and Number:

WIPO Patent Application WO/2021/060314

Kind Code:

A1

Abstract:

The present invention pertains to a medical Au-Pt-Pd alloy comprising Au, Pt, Pd, and inevitable impurities. This alloy has an alloy composition inside a polygon (A1-A2-A3-A4-A5-A6) surrounded by straight lines connecting A1 point (Au: 37.9 at%, Pt: 0.1 at%, Pd: 62 at%), A2 point (Au: 79.9 at%, Pt: 0.1 at%, Pd: 20 at%), A3 point (Au: 79.9 at%, Pt: 20 at%, Pd: 0.1 at%), A4 point (Au: 69.9 at%, Pt: 30 at%, Pd: 0.1 at%), A5 point (Au: 49 at%, Pt: 30 at%, Pd: 21 at%), and A6 point (Au: 39 at%, Pt: 40 at%, Pd: 21 at%) in an Au-Pt-Pd ternary phase diagram. In addition, the alloy has an optimized metallographic structure which is similar to a single-phase structure, and in which an Au-rich phase and a Pt-rich phase different in composition from a parent phase are less likely to be precipitated.

More Like This:

WO/2009/060662

BONDING WIRE

Inventors:

OKUBO MICHIMASA (JP)
GOTO KENJI (JP)
TANAKA KUNIHIRO (JP)
SHIRAISHI KOJIRO (JP)
SHIMA KUNIHIRO (JP)
KATO YUYA (JP)
HAMADA KENICHI (JP)
HONDA EIICHI (JP)
TAKEGAWA EMI (JP)

Application Number:

PCT/JP2020/035903

Publication Date:

April 01, 2021

Filing Date:

September 24, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

TANAKA PRECIOUS METAL IND (JP)
UNIV TOKUSHIMA (JP)

International Classes:

C22C5/02; A61L29/02; A61L31/02; C22F1/00; C22F1/14

Domestic Patent References:

WO2015093064A1	2015-06-25
WO2008032370A1	2008-03-20

Foreign References:

JP2016130351A	2016-07-21
JP2016094656A	2016-05-26
JPH09125223A	1997-05-13
JP5582484B1	2014-09-03

Other References: