Inventor · San Jose, CA, US

Erhard Schreck

36Patents
11h-index
62Co-inventors
74Inventor score

Filing activity: Aug 30, 2007 → Aug 9, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8995088B1 Heat sink for a spin torque oscillator (STO) in microwave assisted magnetic recording (MAMR) Emerging Cross-Sectional Technologies 49 Active
US8902720B1 Heat-assisted magnetic recording (HAMR) write head with protective film for near-field transducer Physics 32 Active
US8705323B2 TAR temperature sensor having faster response time Physics 28 Active
US8842506B1 Heat-assisted magnetic recording (HAMR) disk drive with fly-height sensing Physics 26 Active
US9047926B2 Dual thermal sensor for HAMR waveguide power monitor and integration with the contact sensor Physics 25 Active
US8908483B1 Implementing contact sensing with near field transducer (NFT) and in-drive NFT characterization diagnostics in heat-assisted magnetic recording (HAMR) HDD Physics 24 Active
US8810947B1 Recessing a near field transducer in a heat-assisted magnetic recording head Physics 22 Active
US8854930B1 Slider embedded photodetector for optical power monitoring in heat assisted magnetic recording Physics 19 Active
US9099112B1 Near field transducer having notch diffusion barrier Physics 16 Active
US10468071B1 Magnetic storage device with heat-assisted magnetic storage head and associated method of manufacture Physics 16 Active
US8570842B1 Tar with write-synchronized laser modulation Physics 14 Active
US9042209B2 E-antenna near field transducer with thermal shunt to return pole Physics 9 Active
US7542228B2 Frictional heat assisted recording Physics 8 Active
US9070397B1 Write current and media heater control for heat or microwave assisted magnetic recording Physics 8 Active
US9087546B1 Combined micro heater and waveguide power sensor for heat-assisted magnetic recording Physics 7 Active
US8743667B1 Method for controlling writing in a thermally-assisted recording (TAR) disk drive with thermal fly-height control Physics 7 Active
US9153290B1 Intra-zone wear leveling for heat-assisted magnetic recording—shingled magnetic recording (HAMR-SMR) type storage devices Physics 6 Active
US11735210B2 Preamplifier with read/write power channels Physics 6 Active
US9311943B2 Compensation of laser diode introduced flying height changes Physics 5 Active
US9595281B2 Tunable contact detection sensitivity to directly measure clearance of protrusions in magnetic recording heads Physics 4 Active
US8941944B1 System and method for evenly distributing thermal exposure to disk in heat-assisted magnetic recording (HAMR) Physics 3 Active
US8553506B2 Preheat feature for thermally assisted recording Physics 3 Active
US9401169B1 Implementing enhanced ultrafast touchdown measurement scheme using thermal and voltage actuation for hard disk drives Physics 3 Active
US11170814B1 Heat treatment of NFT on heat-assisted magnetic recording device Physics 3 Active
US9460739B1 Monitoring and controlling the electrochemical wear at the head-disk interface Physics 2 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.