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Class Information
Number: 257/E27.006
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Device consisting of a plurality of semiconductor or other solid state components formed in or on a common substrate, e.g., integrated circuit device (epo) > Including piezo-electric, electro-resistive, or magneto-resistive component (epo)
Description: This subclass is indented under subclass E27.001. This subclass is substantially the same in scope as ECLA classification H01L27/20.

Patents under this class:
1 2 3 4 5

Patent Number Title Of Patent Date Issued
7071522 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus Jul. 4, 2006
7067862 Conductive memory device with conductive oxide electrodes Jun. 27, 2006
7061037 Magnetic random access memory with multiple memory layers and improved memory cell selectivity Jun. 13, 2006
7061036 Magnetic random access memory and a method for manufacturing thereof Jun. 13, 2006
7042056 Chip-size package piezoelectric component May. 9, 2006
7034372 HGA dynamics testing with shear mode piezo transducers Apr. 25, 2006
7029941 Magnetic random access memory designs with controlled magnetic switching mechanism Apr. 18, 2006
7026677 Magnetoresistive element, magnetic memory cell, and magnetic memory device, and method for manufacturing the same Apr. 11, 2006
7019370 Method for manufacturing magnetic random access memory Mar. 28, 2006
7002228 Diffusion barrier for improving the thermal stability of MRAM devices Feb. 21, 2006
6969895 MRAM cell with flat topography and controlled bit line to free layer distance and method of manufacture Nov. 29, 2005
6965137 Multi-layer conductive memory device Nov. 15, 2005
6964201 Large dimension, flexible piezoelectric ceramic tapes Nov. 15, 2005
6963155 Film acoustic wave device, manufacturing method and circuit device Nov. 8, 2005
6956271 Switching of soft reference layers of magnetic memory devices Oct. 18, 2005
6954025 Resonant energy MEMS array and system including dynamically modifiable power processor Oct. 11, 2005
6930369 Thin film device and a method of providing thermal assistance therein Aug. 16, 2005
6914284 Magnetic memory device and method of manufacturing the same Jul. 5, 2005
6906368 Magnetic recording medium and magnetic memory apparatus Jun. 14, 2005
6891241 Single transistor type magnetic random access memory device and method of operating and manufacturing the same May. 10, 2005
6891314 Lattice array-structured piezoelectric actuator and method for producing the same May. 10, 2005
6864551 High density and high programming efficiency MRAM design Mar. 8, 2005
6818960 Magnetic recording medium and method of fabricating the same Nov. 16, 2004
6815783 Single transistor type magnetic random access memory device and method of operating and manufacturing the same Nov. 9, 2004
6815785 Thin film magnetic memory device and manufacturing method therefor Nov. 9, 2004
6812537 Magnetic memory and method of operation thereof Nov. 2, 2004
6812538 MRAM cells having magnetic write lines with a stable magnetic state at the end regions Nov. 2, 2004
6809361 Magnetic memory unit and magnetic memory array Oct. 26, 2004
6784600 Ultrasonic membrane transducer for an ultrasonic diagnostic probe Aug. 31, 2004
6784509 Magnetoresistance effect element, magnetic head and magnetic reproducing apparatus Aug. 31, 2004
6781290 Piezoelectric actuator, method of manufacturing the same, ink-jet head using the same, and ink-jet printer Aug. 24, 2004
6776762 Piezocomposite ultrasound array and integrated circuit assembly with improved thermal expansion and acoustical crosstalk characteristics Aug. 17, 2004
6753561 Cross point memory array using multiple thin films Jun. 22, 2004
6752763 Orthogonally reconfigurable integrated matrix acoustical array Jun. 22, 2004
6740948 Magnetic shielding for reducing magnetic interference May. 25, 2004
6664713 Single chip device for voice communications Dec. 16, 2003
6589180 Acoustical array with multilayer substrate integrated circuits Jul. 8, 2003
6555946 Acoustic wave device and process for forming the same Apr. 29, 2003
6551248 System for attaching an acoustic element to an integrated circuit Apr. 22, 2003
6524254 Orthogonally reconfigurable integrated matrix acoustical array Feb. 25, 2003
6379510 Method of making a low voltage micro-mirror array light beam switch Apr. 30, 2002
6300706 Compound semiconductor monolithic frequency sources and actuators Oct. 9, 2001
5760947 Thin film actuated mirror array for use in an optical projection system and method for the manufacture thereof Jun. 2, 1998
5693181 Method of making transducer chips with grooves on the wafer for easy separation of the chips Dec. 2, 1997
5684324 Acoustic transducer chip Nov. 4, 1997
5668057 Methods of manufacture for electronic components having high-frequency elements Sep. 16, 1997
5663830 Thin film actuated mirror array for use in an optical projection system and method for the manufacture thereof Sep. 2, 1997
5596222 Wafer of transducer chips Jan. 21, 1997
5567880 Semiconductor accelerometer Oct. 22, 1996
5440155 Acoustic charge transport convolver, method of use and fabrication Aug. 8, 1995

1 2 3 4 5

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