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Class Information
Number: 29/603.11
Name: Metal working > Method of mechanical manufacture > Electrical device making > Electromagnet, transformer or inductor > Magnetic recording reproducing transducer (e.g., tape head, core, etc.) > Fabricating head structure or component thereof > Including measuring or testing > With dual gap materials
Description: Process wherein the fabricated head structure utilizes at least two substantially different substances in the operating magnetic break.










Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8607439 Method for providing an energy assisted magnetic recording (EAMR) head Dec. 17, 2013
8533937 Method of forming a fully wrapped-around shielded PMR writer pole Sep. 17, 2013
8495813 Method of making an energy-assisted magnetic recording apparatus Jul. 30, 2013
8484830 Method of manufacturing a CPP structure with enhanced GMR ratio Jul. 16, 2013
8453317 Magnetic write head fabrication with integrated electrical lapping guides Jun. 4, 2013
8453316 Method of manufacturing magnetic head having a patterned pole layer and method of forming a patterned layer Jun. 4, 2013
8413317 Method for fabricating a structure for a microelectric device Apr. 9, 2013
8381391 Method for providing a magnetic recording transducer Feb. 26, 2013
8341826 Method for fabricating a magnetic recording transducer using a split seed layer Jan. 1, 2013
8336194 Method of fabricating a tunneling magnetoresistive (TMR) reader Dec. 25, 2012
8333008 Method for manufacturing a perpendicular magnetic recording transducer Dec. 18, 2012
8240024 Methods for fabricating magnetic transducers using post-deposition tilting Aug. 14, 2012
8230582 Methods of making magnetic write heads with use of a resist channel shrinking solution having corrosion inhibitors Jul. 31, 2012
8230583 Method for manufacturing a magnetic write head Jul. 31, 2012
8225486 Method of manufacturing a perpendicular magnetic recording head Jul. 24, 2012
8225488 Method for providing a perpendicular magnetic recording (PMR) pole Jul. 24, 2012
8220136 Forming a planarized surface for at least one bar of sliders Jul. 17, 2012
8209848 Method of making a PMR writer with seamless shields Jul. 3, 2012
8201321 Method of forming magnetic layer pattern, and method of manufacturing perpendicular magnetic recording head Jun. 19, 2012
8201320 Method for manufacturing a magnetic write head having a wrap around shield that is magnetically coupled with a leading magnetic shield Jun. 19, 2012
8191234 Method of manufacturing a magnetic head with reinforcing islands Jun. 5, 2012
8186040 Methods for creating slanted perpendicular magnetic pole via metal liftoff May. 29, 2012
8166632 Method for providing a perpendicular magnetic recording (PMR) transducer May. 1, 2012
8166630 Magnetic head slider manufacturing method May. 1, 2012
8146236 Method for providing a perpendicular magnetic recording (PMR) transducer Apr. 3, 2012
8141235 Method for manufacturing a perpendicular magnetic recording transducers Mar. 27, 2012
8136228 Method for manufacturing a magnetic write head Mar. 20, 2012
8117737 Method of manufacturing magnetic head for perpendicular magnetic recording with shield around main magnetic pole Feb. 21, 2012
8117738 Method to make a perpendicular magnetic recording head with a side write shield Feb. 21, 2012
8079135 Method for providing a perpendicular magnetic recording (PMR) transducer Dec. 20, 2011
8056213 Method to make PMR head with integrated side shield (ISS) Nov. 15, 2011
8056214 Method of manufacturing magnetic head for perpendicular magnetic recording including two side shields Nov. 15, 2011
8042259 Method of manufacturing a magnetic recording head Oct. 25, 2011
8028400 Method for manufacturing a magnetic write head Oct. 4, 2011
7975367 Method of manufacturing a thin-film magnetic head Jul. 12, 2011
7950135 Manufacturing method of magnetoresistive effect element May. 31, 2011
7918014 Method of manufacturing a CPP structure with enhanced GMR ratio Apr. 5, 2011
7895731 Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver Mar. 1, 2011
7882617 Method of fabricating a magnetic recording head for perpendicular recording with enhanced covering power Feb. 8, 2011
7877860 Method of manufacturing a magnetic head for perpendicular magnetic recording Feb. 1, 2011
7841067 Method for manufacturing a trailing shield structure for a perpendicular magnetic write head Nov. 30, 2010
7788796 Method FPR manufacturing a magnetic write head Sep. 7, 2010
7788797 Method of making a perpendicular magnetic recording write head with notched trailing shield Sep. 7, 2010
7784171 Method of manufacturing a magneto-resistive device Aug. 31, 2010
7770281 Method for redefining the trailing shield throat height in a perpendicular magnetic recording write head Aug. 10, 2010
7748103 Method of manufacturing a perpendicular magnetic recording write head with notched trailing shield Jul. 6, 2010
7743487 Method to planarize perpendicular write poles using a combination of CMP and reactive ion milling Jun. 29, 2010
7726009 Method of fabricating a perpendicular recording write head having a gap with two portions Jun. 1, 2010
7712204 Manufacturing method of a thin-film magnetic head May. 11, 2010
7703194 Method for creating write element having high magnetic moment Co-Fe-O-N film with soft magnetic properties Apr. 27, 2010

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