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Class Information
Number: 29/603.01
Name: Metal working > Method of mechanical manufacture > Electrical device making > Electromagnet, transformer or inductor > Magnetic recording reproducing transducer (e.g., tape head, core, etc.)
Description: Process of manufacturing a device especially adapted to read or write an electrical signal from or onto a moving magnetic copying media such as a tape or disc.

Sub-classes under this class:

Class Number Class Name Patents
29/603.07 Fabricating head structure or component thereof 506
29/603.02 Including dissassembly step 37
29/603.03 Making disc drive 463
29/603.04 Mounting preformed head/core onto other structure 231

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8673161 Structure formation using metal deposited on a RIE-able seedlayer Mar. 18, 2014
8634164 Method and apparatus for detaching a head suspension component from a semi-finished suspension product Jan. 21, 2014
8617408 Method for manufacturing a magnetic read sensor with narrow track width using amorphous carbon as a hard mask and localized CMP Dec. 31, 2013
8590138 Method of manufacturing thermally-assisted magnetic recording head Nov. 26, 2013
8568598 Tip type probe manufacturing method, tip type probe and tip type probe manufacturing apparatus Oct. 29, 2013
8524094 Masking material for dry etching Sep. 3, 2013
8510931 Method to reduce servo pattern runout on a prewritten disc Aug. 20, 2013
8509036 Method of burn-in testing for thermally assisted head Aug. 13, 2013
8465658 Method of forming main pole of thermally-assisted magnetic recording head Jun. 18, 2013
8444866 Method and system for providing a perpendicular magnetic recording pole with a multi-layer side gap May. 21, 2013
8404128 Method and system for providing a perpendicular magnetic recording head Mar. 26, 2013
8345390 Magnetoresistive effect element in CPP-type structure and magnetic disk device Jan. 1, 2013
8325449 CPP device with improved current confining structure and process Dec. 4, 2012
8312609 Method of manufacturing a patterned media stamper Nov. 20, 2012
8310903 Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk device, and method of manufacturing thermally-assisted magnetic recording head Nov. 13, 2012
8257597 Double rie damascene process for nose length control Sep. 4, 2012
8259413 Write head with self-align layer and a method for making the same Sep. 4, 2012
8161625 Method of manufacturing a rotating electric machine Apr. 24, 2012
8054586 Write head design and method for reducing adjacent track interference at very narrow track widths Nov. 8, 2011
7918013 System for manufacturing a group of head gimbal assemblies (HGAs) Apr. 5, 2011
7908739 Motor assembly and method of manufacturing thereof Mar. 22, 2011
7900341 Method of manufacturing hard disk recording device using patterned medium Mar. 8, 2011
7877859 Shield fabrication of magnetic write heads Feb. 1, 2011
7779533 Electronic article surveillance marker Aug. 24, 2010
7757377 Process for aligning a disc member on a rotatable hub Jul. 20, 2010
7735213 Method for fabricating magnetic head slider Jun. 15, 2010
7694411 Fixturing a head spindle assembly with an expanding collet Apr. 13, 2010
7690100 Techniques for certifying a head-gimbal assembly Apr. 6, 2010
7676898 Method and apparatus for manufacturing Mar. 16, 2010
7676914 Methods for sensor having capacitor on chip Mar. 16, 2010
7650684 Method for fabricating a magnetic head including a read sensor Jan. 26, 2010
7650686 Servo track writer clockhead radius jig Jan. 26, 2010
7631416 Method of making thin film magnetic head using electric lapping guide Dec. 15, 2009
7633713 Method for controlling the formation of the trailing shield gap during perpendicular head fabrication and head formed thereby Dec. 15, 2009
7621037 Fixturing a head spindle assembly with a retracting collet Nov. 24, 2009
7595967 Method for fabricating a spacer layer for a magnetoresistive element Sep. 29, 2009
7595578 Motor, rotary electric machine and its stator, and method for manufacturing the stator Sep. 29, 2009
7563381 High milling resistance write pole fabrication method for perpendicular recording Jul. 21, 2009
7549212 Method of adjusting recession of an element of a slider Jun. 23, 2009
7549209 Method of fabricating a magnetic discrete track recording disk Jun. 23, 2009
7523542 Method of manufacturing a magnetic element Apr. 28, 2009
7467458 Method for use in making a read head Dec. 23, 2008
7441324 Method for preventing magnetic damage to a GMR head during back-end processing Oct. 28, 2008
7409759 Method for making a computer hard drive platen using a nano-plate Aug. 12, 2008
7397625 Large protrusion recording head for controlled magnetic spacing recording/reading Jul. 8, 2008
7394621 Using bilayer lithography process to define neck height for PMR Jul. 1, 2008
7370404 Method for resetting pinned layer magnetization in a magnetoresistive sensor May. 13, 2008
7365948 Exchange-coupled film, method for making exchange-coupled film, and magnetic sensing element including exchange-coupled film Apr. 29, 2008
7360291 Method of manufacturing a recording tape cartridge Apr. 22, 2008
7330338 Method for adjusting pitch and roll in a head suspension Feb. 12, 2008

1 2 3 4

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