1. A composition comprising:
a) a first antioxidant; and
b) at least one first additive selected from the group consisting of:
i) a surface additive;
ii) a performance enhancing additive; and
iii) a lubricant protective additive.
2. The composition of claim 1, wherein the first antioxidant is selected from the group consisting of polyalkyl phenol based antioxidants, sterically hindered phenol based antioxidants, sterically hindered phenol based macromolecular antioxidants, nitrogen and hindered phenol containing dual functional macromolecular antioxidants, alkylated macromolecular antioxidants, sterically hindered phenol and phosphite based macromolecular antioxidants.
3. The composition of claim 2 wherein the first additive is a surface additive selected from the group consisting of (a) rust inhibitors, (b) corrosion inhibitors, (c) extreme pressure agents, (d) tackiness agents, (e) antiwear agents, (f) detergents and dispersants and (g) compounded oil.
4. The composition of claim 2 wherein the first additive is a performance enhancing additive selected from the group consisting of (a) pour-point depressants, (b) viscosity index modifiers, (c) emulsifiers, and (d) demulsifiers.
5. The composition of claim 2 wherein the additive is a lubricant protective additive selected from the group consisting of (a) oxidation inhibitors and (b) foam inhibitors.
6. The composition of claim 2 wherein the composition further includes at least one second additive selected from the group consisting of: dispersants, detergents, corrosion inhibitors, rust inhibitors, metal deactivators, antiwear and extreme pressure agents, antifoam agents, friction modifiers, seal swell agents, demulsifiers, viscosity index improvers and pour point depressants.
7. The composition of claim 6 wherein the composition further includes a second antioxidant selected from the group consisting of: amine antioxidants, phenolic antioxidants, sulfurized organic compounds, organo-borate compounds, phosphite and phosphate antioxidants, copper compounds and zinc dithiodiphosphates.
8. A lubricant composition comprising:
a) a lubricant or a mixture of lubricants;
b) a first antioxidant; and
c) at least one first additive selected from the group consisting of
i) a surface additive;
ii) a performance enhancing additive; and
iii) a lubricant protective additive.
9. The lubricant composition of claim 8, wherein the first antioxidant is selected from the group consisting of polyalkyl phenol based antioxidants, sterically hindered phenol based antioxidants, sterically hindered phenol based macromolecular antioxidants, nitrogen and hindered phenol containing dual functional macromolecular antioxidants, alkylated macromolecular antioxidants, sterically hindered phenol and phosphite based macromolecular antioxidants.
10. The lubricant composition of claim 8, wherein the first additive is a surface additive selected from the group consisting of (a) rust inhibitors, (b) corrosion inhibitors, (c) extreme pressure agents, (d) tackiness agents, (e) antiwear agents, (f) detergents and dispersants and (g) compounded oil.
11. The lubricant composition of claim 10, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
12. The lubricant composition of claim 8, wherein the first additive is a performance enhancing additive selected from the group consisting of (a) pour-point depressants, (b) viscosity index modifiers, (c) emulsifiers, and (d) demulsifiers.
13. The lubricant composition of claim 12, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
14. The lubricant composition of claim 8, wherein the additive is a lubricant protective additive selected from the group consisting of (a) oxidation inhibitors and (b) foam inhibitors.
15. The lubricant composition of claim 14, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
16. The lubricant composition of claim 8, wherein the composition further includes at least one second additive selected from the group consisting of: dispersants, detergents, corrosion inhibitors, rust inhibitors, metal deactivators, antiwear and extreme pressure agents, antifoam agents, friction modifiers, seal swell agents, demulsifiers, viscosity index improvers and pour point depressants.
17. The lubricant composition of claim 16, wherein the composition further includes a second antioxidant selected from the group consisting of: amine antioxidants, phenolic antioxidants, sulfurized organic compounds, organo-borate compounds, phosphite and phosphate antioxidants, copper compounds and zinc dithiodiphosphates.
18. The lubricant composition of claim 8, wherein the lubricant is selected from the group comprising petroleum based oils, synthetic oils and biolubricant oils.
19. A method of improving a composition comprising combining the composition with:
a) a first antioxidant; and
b) at least one first additive selected from the group consisting of:
i) a surface additive;
ii) a performance enhancing additive; and
iii) a lubricant protective additive.
20. The method of claim 19, wherein the first antioxidant is selected from the group consisting of polyalkyl phenol based antioxidants, sterically hindered phenol based antioxidants, sterically hindered phenol based macromolecular antioxidants, nitrogen and hindered phenol containing dual functional macromolecular antioxidants, alkylated macromolecular antioxidants, sterically hindered phenol and phosphite based macromolecular antioxidants.
21. A method of improving a lubricant or a mixture of lubricants comprising combining the lubricant or mixture of lubricants with:
a) a first antioxidant; and
b) at least one first additive selected from the group consisting of:
i) a surface additive;
ii) a performance enhancing additive; and
iii) a lubricant protective additive.
22. The method of claim 21, wherein the first antioxidant is selected from the group consisting of polyalkyl phenol based antioxidants, sterically hindered phenol based antioxidants, sterically hindered phenol based macromolecular antioxidants, nitrogen and hindered phenol containing dual functional macromolecular antioxidants, alkylated macromolecular antioxidants, sterically hindered phenol and phosphite based macromolecular antioxidants.
23. The method of claim 22, wherein the first additive is a surface additive selected from the group consisting of (a) rust inhibitors, (b) corrosion inhibitors, (c) extreme pressure agents, (d) tackiness agents, (e) antiwear agents, (f) detergents and dispersants and (g) compounded oil.
24. The method of claim 23, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
25. The method of claim 22, wherein the first additive is a performance enhancing additive selected from the group consisting of (a) pour-point depressants, (b) viscosity index modifiers, (c) emulsifiers, and (d) emulsifiers.
26. The method of claim 25, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
27. The method of claim 22, wherein the additive is a lubricant protective additive selected from the group consisting of (a) oxidation inhibitors and (b) foam inhibitors.
28. The method of claim 27, wherein the antioxidant is in a concentration range from about 0.0001% to about 50%, and the first additive is in a concentration range from about 0.0005% to about 50%, by weight.
29. The method of claim 22, wherein the composition further includes at least one second additive selected from the group consisting of: dispersants, detergents, corrosion inhibitors, rust inhibitors, metal deactivators, antiwear and extreme pressure agents, antifoam agents, friction modifiers, seal swell agents, demulsifiers, viscosity index improvers and pour point depressants.
30. The method of claim 29, wherein the composition further includes a second antioxidant selected from the group consisting of: amine antioxidants, phenolic antioxidants, sulfurized organic compounds, organo-borate compounds, phosphite and phosphate antioxidants, copper compounds and zinc dithiodiphosphates.
31. The method of claim 22, wherein the lubricant is selected from the group comprising petroleum based oils, synthetic oils and biolubricant oils.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of providing art ultra-short gate, high electron-mobility transistor with ultra-high frequency and high-power performance, comprising the step of:
providing the high electron-mobility transistor with an increased width asymmetric recess groove for the gate electrode thereof, a composite channel layer including an indium gallium arsenide layer with an embedded thin indium arsenide layer and a double-sided doping scheme, whereby the power gain and the breakdown voltage of the transistor are increased.
2. The method of claim 1, wherein the transistor has a cap layer into which the recess is formed, and further Including recessing the gate layer beneath the recess by an amount to counteract the deterioration of the aspect ratio with, the use of double-sided doping.
3. The method of claim 1, wherein the indium arsenide layer is on the order of 2 nm in thickness.
4. The method of claim 3, wherein the indium gallium layer channel layers in which the indium arsenide layer is embedded are each 2 nm in thickness, yielding a composite channel layer thickness of 6 nm.
5. The method of claim 1, wherein the asymmetric recess places the gate electrode of the transistor closer to the source of the transistor than to the drain of the transistor.
6. The method of claim 5, wherein the gate electrode of the transistor is between 30-50 nm from the source end of the recess groove and wherein the gate electrode of the transistor is spaced from the drain end of the recess groove by 250-300 nm, thereby to improve the breakdown voltage and gain of the transistor.
7. The method of claim 1, wherein the transistor is provided with a thin silicon nitride film passivation layer.