Uniformity, High Temperature Performance And Reliability Of X-Band Nitride Power Hemts Fabricated From 2-Inch Epitaxy

1997 ◽  
Vol 483 ◽  
Author(s):  
R. Hickman ◽  
J. M. Van Hove ◽  
P. P. Chow ◽  
J. J. Klaassen ◽  
A. M. Wowchack ◽  
...  
Keyword(s):  
High Temperature ◽  
Room Temperature ◽  
Nitrogen Plasma ◽  
Atomic Nitrogen ◽  
Maximum Frequency ◽  
Temperature Performance ◽  
X Band ◽  
Dual Gate ◽  
Process Uniformity ◽  
Gan Hemts

AbstractX-band performance, high temperature DC operation, and uniformity have been evaluated for 1 μm gate AlGaN/GaN HEMTs grown by RF atomic nitrogen plasma MBE. Deposition and fabrication were performed on 2-inch (0001) saphirre substrates to determine process uniformity. HEMTs with 300 μm total gate width and dual gate finger geometry have been fabricated with 650–700 cm2/V s mobility. Maximum frequency cut-offs on the order of of 8–10 were achieved. DC performance at room temperature was >500 mA/mm, and external transconductance was >70mS/mn. The transistors operated at test temperatures of 425°C.

FANSTEEL 85 METAL

Alloy Digest ◽  
1981 ◽  
Vol 30 (6) ◽  
Keyword(s):  
High Temperature ◽  
Physical Properties ◽  
Creep Strength ◽  
Room Temperature ◽  
Elevated Temperatures ◽  
Base Alloy ◽  
Heat Treating ◽  
Good Combination ◽  
Bend Strength ◽  
Temperature Performance

Abstract FANSTEEL 85 METAL is a columbium-base alloy characterized by good fabricability at room temperature, good weldability and a good combination of creep strength and oxidation resistance at elevated temperatures. Its applications include missile and rocket components and many other high-temperature parts. This datasheet provides information on composition, physical properties, microstructure, hardness, elasticity, tensile properties, and bend strength as well as creep. It also includes information on low and high temperature performance as well as forming, heat treating, machining, joining, and surface treatment. Filing Code: Cb-7. Producer or source: Fansteel Metallurgical Corporation. Originally published December 1963, revised June 1981.

MAGNESIUM AZ31B

Alloy Digest ◽  
1962 ◽  
Vol 11 (9) ◽  
Keyword(s):  
High Temperature ◽  
Magnesium Alloy ◽  
Physical Properties ◽  
Room Temperature ◽  
Heat Treating ◽  
General Purpose ◽  
Bearing Strength ◽  
Temperature Performance ◽  
Wrought Magnesium Alloy ◽  
Metal Products

Abstract Magnesium AZ31B is a general purpose wrought magnesium alloy for room temperature service. This datasheet provides information on composition, physical properties, hardness, elasticity, tensile properties, and compressive, shear, and bearing strength as well as creep. It also includes information on low and high temperature performance as well as forming, heat treating, machining, and joining. Filing Code: Mg-53. Producer or source: The Dow Metal Products Company.

Uniformity and high temperature performance of X-band nitride power HEMTs fabricated from 2-inch epitaxy

1998 ◽  
Vol 42 (12) ◽  
pp. 2183-2185 ◽  
Author(s):  
R Hickman ◽  
J.M Van Hove ◽  
P.P Chow ◽  
J.J Klaassen ◽  
A.M Wowchack ◽  
...  
Keyword(s):  
High Temperature ◽  
Temperature Performance ◽  
X Band

Room-Temperature Pulsed Operation of GaInNAs Laser Diodes with Excellent High-Temperature Performance

1996 ◽  
Vol 35 (Part 1, No. 11) ◽  
pp. 5711-5713 ◽  
Author(s):  
Masahiko Kondow ◽  
Shin'ichi Nakatsuka ◽  
Takeshi Kitatani ◽  
Yoshiaki Yazawa ◽  
Makoto Okai
Keyword(s):  
High Temperature ◽  
Room Temperature ◽  
Laser Diodes ◽  
Temperature Performance

High temperature performance of AlGaN/GaN HEMTs on Si substrates

2006 ◽  
Vol 50 (3) ◽  
pp. 511-513 ◽  
Author(s):  
W.S. Tan ◽  
M.J. Uren ◽  
P.W. Fry ◽  
P.A. Houston ◽  
R.S. Balmer ◽  
...  
Keyword(s):  
High Temperature ◽  
Si Substrates ◽  
Temperature Performance ◽  
Gan Hemts

Development of Heat-Resisting Aluminum Alloy Material for Pistons

2008 ◽  
Vol 51 ◽  
pp. 105-110 ◽  
Author(s):  
Jian Lei ◽  
Nan Li ◽  
Mu Cheng Rao
Keyword(s):  
Aluminum Alloy ◽  
High Temperature ◽  
Fatigue Failure ◽  
Thermal Fatigue ◽  
Room Temperature ◽  
Mechanical Performance ◽  
Temperature Performance ◽  
Alloy Material ◽  
Mechanical Performances ◽  
Comparative Trials

That the main invalidation of high-powered engine pistons is thermal fatigue failure has been confirmed through analyzing auto piston invalidation. And a solution has been proposed to use heat-resisting aluminum alloy material in place of conventional piston material ZL109. Comparative trials for both materials have been conducted on their mechanical performances at normal and high temperatures as well as casting properties. The result indicates that they have close room temperature mechanical performance and casting properties. But at 350°C, high temperature performance is raised by 30~40 MPa.

HAYNES ALLOY No. 25

Alloy Digest ◽  
1961 ◽  
Vol 10 (12) ◽  
Keyword(s):  
High Temperature ◽  
Room Temperature ◽  
Base Alloy ◽  
Heat Treating ◽  
Annealed Condition ◽  
Subsequent Aging ◽  
Temperature Performance ◽  
Cobalt Base Alloy ◽  
Cobalt Base ◽  
Haynes Alloy

Abstract HAYNES# Alloy No. 25 is a wrought, high temperature, cobalt-base alloy that has exceptional mechanical properties at temperatures up to 1800 deg. F. in the fully annealed condition without subsequent aging. It is easy to fabricate because it has excellent ductility at room temperature. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness and creep. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, machining, and joining. Filing Code: Co-5. Producer or source: Haynes Stellite Company. Originally published September 1953, revised December 1961.

NICLOY 9

Alloy Digest ◽  
1952 ◽  
Vol 1 (2) ◽  
Keyword(s):  
Fracture Toughness ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Low Temperatures ◽  
Room Temperature ◽  
Heat Treating ◽  
Temper Brittleness ◽  
Zero Temperature ◽  
Temperature Performance ◽  
Very High

Abstract Nicloy 9 is a tough, impact resistant nickel alloy steel applicable to sub-zero temperature uses. It has high physical properties with excellent ductility. Its toughness is very high at low temperatures. At room temperature it is only slightly sensitive to temper brittleness. This datasheet provides information on composition, hardness, and tensile properties as well as fracture toughness and fatigue. It also includes information on high temperature performance and corrosion resistance as well as heat treating, machining, and joining. Filing Code: SA-2. Producer or source: Babcock & Wilcox Company.

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