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Class Information
Number: 257/741
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Combined with electrical contact or lead > Of specified material other than unalloyed aluminum
Description: Subject matter wherein the contact or lead is made of a specified material other than an aluminum alloy.


Sub-classes under this class:

Class Number Class Name Patents
257/771 Alloy containing aluminum 239
257/749 At least portion of which is transparent to ultraviolet, visible or infrared light 132
257/746 Composite material (e.g., fibers or strands embedded in solid matrix) 149
257/744 For compound semiconductor material 147
257/750 Layered 1,018
257/768 Refractory or platinum group metal or alloy or silicide thereof 358
257/767 Resistive to electromigration or diffusion of the contact or lead material 404
257/772 Solder composition 326
257/742 With a semiconductor conductivity substitution type dopant (e.g., germanium in the case of a gallium arsenide semiconductor) in a contact metal) 70
257/747 With thermal expansion matching of contact or lead material to semiconductor active device 144


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7601633 Semiconductor device and method for fabricating the same Oct. 13, 2009
7550849 Conductive structures including titanium-tungsten base layers Jun. 23, 2009
7541670 Semiconductor device having terminals Jun. 2, 2009
7501692 Semiconductor lead frame, semiconductor package having the same, and method of plating the same Mar. 10, 2009
7501694 Semiconductor device using multi-layer unleaded metal plating, and method of manufacturing the same Mar. 10, 2009
7495314 Ohmic contact on p-type GaN Feb. 24, 2009
7449782 Self-aligned metal to form contacts to Ge containing substrates and structure formed thereby Nov. 11, 2008
7420227 Cu-metalized compound semiconductor device Sep. 2, 2008
7414313 Polymeric conductor donor and transfer method Aug. 19, 2008
7411223 Compound electrodes for electronic devices Aug. 12, 2008
7411259 Wiring material and a semiconductor device having a wiring using the material, and the manufacturing method thereof Aug. 12, 2008
7411298 Source/drain electrodes, thin-film transistor substrates, manufacture methods thereof, and display devices Aug. 12, 2008
7385287 Preventing damage to low-k materials during resist stripping Jun. 10, 2008
7382050 Semiconductor device and method for producing the same Jun. 3, 2008
7332810 Integrated circuit device and method of producing the same Feb. 19, 2008
7327031 Semiconductor device and method of manufacturing the same Feb. 5, 2008
7291558 Copper interconnect wiring and method of forming thereof Nov. 6, 2007
7285842 Siloxane epoxy polymers as metal diffusion barriers to reduce electromigration Oct. 23, 2007
7265450 Semiconductor device and method for fabricating the same Sep. 4, 2007
7243424 Production method for a multilayer ceramic substrate Jul. 17, 2007
7244635 Semiconductor device and method of manufacturing the same Jul. 17, 2007
7242034 Method for fabricating a component having an electrical contact region, and component having an electrical contact region Jul. 10, 2007
7233068 Filling small dimension vias using supercritical carbon dioxide Jun. 19, 2007
7190075 Method of forming smooth polycrystalline silicon electrodes for molecular electronic devices Mar. 13, 2007
7181831 Method of manufacturing strain sensor Feb. 27, 2007
7166921 Aluminum alloy film for wiring and sputter target material for forming the film Jan. 23, 2007
7160820 Method of preparing oxide crystal film/substrate composite and solution for use therein Jan. 9, 2007
7161246 Interconnect alloys and methods and apparatus using same Jan. 9, 2007
7161247 Polishing composition for noble metals Jan. 9, 2007
7154180 Electronic device, method of manufacture of the same, and sputtering target Dec. 26, 2006
7151313 Method of forming wirings for tile-shaped elements, structures of wirings for tile-shaped elements, and electronic equipment Dec. 19, 2006
7135776 Semiconductor device and method for manufacturing same Nov. 14, 2006
7115991 Method for creating barriers for copper diffusion Oct. 3, 2006
7084501 Interconnecting component Aug. 1, 2006
7081676 Structure for controlling the interface roughness of cobalt disilicide Jul. 25, 2006
7078820 Semiconductor apparatus and process of production thereof Jul. 18, 2006
7069641 Method for preparing composite materials of a positive temperature coefficient thermistor Jul. 4, 2006
7052922 Stable electroless fine pitch interconnect plating May. 30, 2006
7030451 Method and apparatus for performing nickel salicidation Apr. 18, 2006
7026716 Self-assembled sub-nanolayers as interfacial adhesion enhancers and diffusion barriers Apr. 11, 2006
7023030 MISFET Apr. 4, 2006
7009298 Low-resistance contact to silicon having a titanium silicide interface and an amorphous titanium carbonitride barrier layer Mar. 7, 2006
6993828 Method for manufacturing metal thin film resistor Feb. 7, 2006
6992324 Organic semiconductor device Jan. 31, 2006
6991854 Gold alloy bonding wire for semiconductor device Jan. 31, 2006
6989608 Method and apparatus to eliminate galvanic corrosion on copper doped aluminum bond pads on integrated circuits Jan. 24, 2006
6984875 Semiconductor device with improved reliability and manufacturing method of the same Jan. 10, 2006
6979889 Plastic lead frames for semiconductor devices Dec. 27, 2005
6977437 Method for forming a void free via Dec. 20, 2005
6975031 Semiconductor device and chip carrier Dec. 13, 2005

1 2 3 4 5 6


 
 
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