公开(公告)号：US20040112888A1

公开(公告)日：2004-06-17

申请号：US10321707

申请日：2002-12-17

Applicant: NHK Spring Co., Ltd.

Inventor： Toshihiro Tachikawa ,  Junichi Miyahara ,  Toshihiko Hanamachi

IPC: H05B003/68

CPC classification number: H05B3/143

Abstract: A ceramics heater comprises a circular heater plate formed of aluminum nitride and a metal foil heater wire formed of a high-melting metal and having a thickness of 100 nullm to 175 nullm. The heater wire is embedded in the heater plate. The heater wire has an inside portion located near the center of the heater plate and formed in zigzags at first pitches in the circumferential direction of the heater plate and an outside portion located near the outer periphery of the heater plate and formed in zigzags at second pitches in the circumferential direction of the heater plate. The second pitches are shorter than the first pitches.

Abstract translation: 陶瓷加热器包括由氮化铝形成的圆形加热器板和由高熔点金属形成的厚度为100μm至175μm的金属箔加热丝。 加热器线嵌入加热板。 加热线具有位于加热器板的中心附近的内部，并且在加热板的圆周方向上以第一间距形成为锯齿形，并且位于加热板的外周附近的外侧部分，并以第二间距形成为锯齿状 在加热板的圆周方向上。 第二个音调比第一个音高短。