CONTROL OF RESISTIVITY, MICROSTRUCTURE, AND STRESS IN ELECTRON-BEAM EVAPORATED TUNGSTEN FILMS

被引:44
作者
SINHA, AK [1 ]
SMITH, TE [1 ]
SHENG, TT [1 ]
AXELROD, NN [1 ]
机构
[1] BELL TEL LABS INC,MURRAY HILL,NJ 07974
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY | 1973年 / 10卷 / 03期
关键词
D O I
10.1116/1.1317085
中图分类号
O59 [应用物理学];
学科分类号
摘要
An experimental study is made of the use of the electron beam evaporation technique for obtaining relatively pure tungsten films suitable for gate material in refractory metal-oxide-semiconductor devices. Films produced had a resistivity of 7-8 mu ohm-cm when deposited on substrates at 500-700 C. Such films have small grain size, small tensile stress and high microstructural perfection. Films deposited at lower temperatures had resistivities of 10-15 mu ohm-cm.
引用
收藏
页码:436 / 444
页数:9
相关论文
共 19 条
[1]  
AXELROD NN, UNPUBLISHED
[2]   TEMPERATURE COEFFICIENTS OF RESISTANCE OF METALLIC FILMS IN THE TEMPERATURE RANGE 25-DEGREES-C TO 600-DEGREES-C [J].
BELSER, RB ;
HICKLIN, WH .
JOURNAL OF APPLIED PHYSICS, 1959, 30 (03) :313-322
[3]  
BLATT FJ, 1968, PHYSICS ELECTRONIC C
[4]  
BROJDO S, UNPUBLISHED
[5]   REFRACTORY METAL SILICON DEVICE TECHNOLOGY [J].
BROWN, DM ;
ENGELER, WE ;
GARFINKEL, M ;
GRAY, PV .
SOLID-STATE ELECTRONICS, 1968, 11 (12) :1105-+
[6]  
CAFFREY RE, 1971, BELL LAB REC, V49, P38
[7]  
CHOPRA KL, 1969, THIN FILM PHONOMENA
[8]   EFFECTS OF ANNEALING ON THIN GOLD FILMS [J].
KANE, WM ;
SPRATT, JP ;
HERSHING.LW .
JOURNAL OF APPLIED PHYSICS, 1966, 37 (05) :2085-&
[9]  
KUSHNER RA, PRIVATE COMMUNICATIO
[10]  
Maissel L.I., 1970, HDB THIN FILM TECHNO