Inventor · disambiguated record
Mark J. Schaenzer
Also filed as: SCHAENZER MARK · SCHAENZER MARK J · SCHAENZER MARK JAMES
41 granted patents·1,147 citations·filing 1980–2001
98Inventor score
Top patents by PatentIndex Score
41 records- 0196US6700727B1Slider and method for actively controlling crown curvatureSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Mar 2, 2004·69 cites·20 claims
- 0296US6577466B2Head with active fly height controlSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jun 10, 2003·79 cites·20 claims
- 0396US6366416B1Glide test head with active fly height controlSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Apr 2, 2002·73 cites·12 claims
- 0491US6358123B1Apparatus and method for reducing disc surface asperities to sub-microinch heightSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Mar 19, 2002·48 cites·16 claims
- 0590US6196062B1Trailing edge acoustic emission sensor and pyroelectric sensor for asperity detectionSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Mar 6, 2001·48 cites·20 claims
- 0689US6071007AThermal asperity detection headSEAGATE TECHNOLOGY·Filed 1997·Granted Jun 6, 2000·61 cites·17 claims
- 0788US6940669B2Wide write head with thermal asperity detector and method of using the sameSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Sep 6, 2005·23 cites·21 claims
- 0886US6016692AGlide test slider having electrically isolated piezoelectric crystal for improved noise suppressionSEAGATE TECHNOLOGY·Filed 1997·Granted Jan 25, 2000·48 cites·18 claims
- 0986US5856895AInternal accelerometer for improved servo performance and shock sensing on high performance disc drive headsSEAGATE TECHNOLOGY·Filed 1997·Granted Jan 5, 1999·39 cites·11 claims
- 1085US6309283B1Apparatus and method for reducing disc surface asperities to sub-microinch heightSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Oct 30, 2001·26 cites·8 claims
- 1184US6503132B2Hybrid burnish/glide head with advanced air bearing fly height control railsSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Jan 7, 2003·28 cites·19 claims
- 1283US6507467B1Comb shunt for ESD protectionSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Jan 14, 2003·18 cites·19 claims
- 1383US6322431B1Burnish head with ion milled aerodynamic pads configured in an elliptical patternSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Nov 27, 2001·40 cites·30 claims
- 1483US6296552B1Burnishing head with fly height control spacerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Oct 2, 2001·54 cites·20 claims
- 1581US5808184AThermal asperity sensor head with multiple spaced asperity sensorsSEAGATE TECHNOLOGY·Filed 1997·Granted Sep 15, 1998·34 cites·24 claims
- 1680US6216242B1Multiple-track magneto-resistive certification and thermal asperity test headSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Apr 10, 2001·33 cites·2 claims
- 1780US6046596ACapacitance probe for magnetic recording head transducer to disc surface spacing measurementSEAGATE TECHNOLOGY·Filed 1997·Granted Apr 4, 2000·35 cites·15 claims
- 1879US6273793B1Apparatus and method for reducing disc surface asperities to sub-microinch heightSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Aug 14, 2001·44 cites·10 claims
- 1979US5831797ASlider with mesa for optical disc data storage systemSEAGATE TECHNOLOGY·Filed 1997·Granted Nov 3, 1998·34 cites·15 claims
- 2079US5755612ASmall foot machining guide for recording headsSEAGATE TECHNOLOGY·Filed 1996·Granted May 26, 1998·32 cites·19 claims
- 2178US5825181AMulti-impact thermal asperity sensor headSEAGATE TECHNOLOGY·Filed 1997·Granted Oct 20, 1998·34 cites·18 claims
- 2278US4325282AUnitized case resizer and trimmerSCHAENZER MARK·Filed 1980·Granted Apr 20, 1982·30 cites·6 claims
- 2376US6046871AMagnetic recording head slider with piezoelectric sensor for measuring slider to disc interference levelsSEAGATE TECHNOLOGY·Filed 1997·Granted Apr 4, 2000·27 cites·7 claims
- 2473US6104556AWide write disc certification process, apparatus and article of manufactureSEAGATE TECHNOLOGY·Filed 1997·Granted Aug 15, 2000·25 cites·20 claims
- 2567US6545844B1Clock head with spacerSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Apr 8, 2003·9 cites·5 claims
- 2667US5872311AIntegrated piezoelectric and thermal asperity transducers for testing disc media in high performance disc drivesSEAGATE TECHNOLOGY·Filed 1997·Granted Feb 16, 1999·19 cites·6 claims
- 2766US6573711B1Paddle board with extended flexible leadsSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Jun 3, 2003·19 cites·18 claims
- 2866US6150813AMethod of connecting heads of a data storage system to a testing apparatusSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Nov 21, 2000·17 cites·8 claims
- 2965US6563785B2Method of manufacturing rounded edge recording headSEAGATE TECHNOLOGY LLC·Filed 2001·Granted May 13, 2003·6 cites·10 claims
- 3065US6079088AMethod of fabricating a data storage system head slider having an internal accelerometerSEAGATE TECHNOLOGY·Filed 1998·Granted Jun 27, 2000·19 cites·4 claims
- 3163US6269687B1Force sensing sliderSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Aug 7, 2001·15 cites·18 claims
- 3261US6381098B1Laser textured transducing head sliderSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Apr 30, 2002·14 cites·34 claims
- 3350US6023963ASingle-sided sensor for glide height testingSEAGATE TECHNOLOGY·Filed 1997·Granted Feb 15, 2000·11 cites·1 claims
- 3449US6023378AOptical data storage system with improved head lens assemblySEAGATE TECHNOLOGY·Filed 1998·Granted Feb 8, 2000·8 cites·14 claims
- 3549US5936801AHead slider with partially recessed magnetoresistive elementSEAGATE TECHNOLOGY·Filed 1997·Granted Aug 10, 1999·8 cites·2 claims
- 3648US6185993B1Single sided sensor for glide height testingSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Feb 13, 2001·6 cites·18 claims
- 3741US6205849B1Glide head using an ion etched air bearingSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Mar 27, 2001·4 cites·17 claims
- 3840US5748407ASlider with oblique leading and trailing edgesSEAGATE TECHNOLOGY·Filed 1996·Granted May 5, 1998·5 cites·8 claims
- 3936US6604948B1Double-double (2×2) tester paddle board AKA 2×2 paddle boardSEAGATE TECHNOLOGY LLC·Filed 2000·Granted Aug 12, 2003·0 cites·19 claims
- 4035US5876216AIntegrated connector board for disc drive storage systemsSEAGATE TECHNOLOGY·Filed 1997·Granted Mar 2, 1999·5 cites·26 claims
- 4126US6320371B1Flex lead extenderSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Nov 20, 2001·0 cites·15 claims
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