LEAD WIRE

WIPO Patent Application WO/2011/052591

A1

Provided is a lead wire (inner lead wire (14i)) which is a wire material for feeding electricity to an electrode part (13) of a cold cathode fluorescent lamp (10), and which has a glass part (15) that is fused in order to seal a glass tube (12) accommodating the electrode part (13). The glass part (15) is formed from a lead-free soft glass. The lead wire is formed from an Fe-Ni alloy comprising 51 to 55 mass% of Ni, with the balance being Fe and inevitable impurities. When a lead wire formed from an Fe-Ni alloy has a predetermined Ni content, there is no sudden increase in the thermal expansion coefficient of the lead wire near the critical temperature and excessive contraction of the lead wire is prevented, because there is a large difference between the transformation temperature and the critical temperature at which stress accumulates in the lead-free soft glass when the temperature reaches the transition temperature or lower. As a result, it is possible to reduce leakage from the glass tube (12).

NITTA KOJI (JP)
INAZAWA SHINJI (JP)
HOSOE AKIHISA (JP)
TOKUDA TAKESHI (JP)
YAMAZAKI KAZUO (JP)
TOMINAGA TETSUJI (JP)
YOKOZEKI MAKOTO (JP)

PCT/JP2010/068969

May 05, 2011

October 26, 2010

Click for automatic bibliography generation  

SUMITOMO ELECTRIC INDUSTRIES (JP)
SUMIDEN FINE CONDUCTORS CO LTD (JP)
PANASONIC CORP (JP)
NITTA KOJI (JP)
INAZAWA SHINJI (JP)
HOSOE AKIHISA (JP)
TOKUDA TAKESHI (JP)
YAMAZAKI KAZUO (JP)
TOMINAGA TETSUJI (JP)
YOKOZEKI MAKOTO (JP)

H01J61/36

WO2009104395A1

2009-08-27

JP2009037806A	2009-02-19
JP2009245813A	2009-10-22
JP2010086739A	2010-04-15

Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)

View/Download PDF      PDF Help

Previous Patent: REMOTE MOBILE COMMUNICATION SYSTEM, METHOD, AND PROGRAM

Next Patent: METHOD FOR EVALUATING RISK OF INDUCING ONSET OF ATOPIC DERMATITIS BY BREAST MILK OR FOOD OR DRINK, A...