Inventor

EE KUEN CHEE

US101 patents

⚠️ This page may combine multiple inventors who share the name “EE KUEN CHEE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

EE KUEN CHEE

MAGNECOMP CORP

Hard drive suspension microactuator with restraining layer for control of bending

Multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Assembly of DSA suspensions using microactuators with partially cured adhesive, and DSA suspensions having PZTs with wrap-around electrodes

HDD microactuator having reverse poling and active restraining layer

DSA suspension having multi-layer PZT microactuator with active PZT constraining layers

Dual stage actuated suspension having adhesive overflow control channels

Suspension microactuator with wrap-around electrode on inactive constraining layer

DSA suspension with microactuators extending to gimbal through flexible connectors

Multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Piezoelectric microactuator with restraining layer for control of bending

DSA suspension having PZT with overhanging constraint layer and electrical connection thereto

PZT microactuator for disk drive suspension having electrical via and wrap-around electrode

DSA suspension with mid-load beam mounted dual actuators

Piezoelectric actuator with wrap-around electrode on inactive constraining layer

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Manufacturing method for multi-layer PZT microactuator having a poled but inactive PZT constraining layer

Multi-layer PZT microacuator with active PZT constraining layers for a DSA suspension

Multi-layer PZT microactuator with active PZT constraining layers for a DSA suspension

Multi-layer PZT microactuator with active PZT constraining layer for a DSA suspension

Multi-layer PZT microactuator with active PZT constraining layer for a DSA suspension

Method of manufacturing piezoelectric microactuators having wrap-around electrodes

Dual stage actuated suspension having shear-mode PZT actuators for rotating gimbal tongue

Comb structure for a disk drive suspension piezoelectric microactuator operating in the D33 mode, and method of manufacturing the same

Microactuator grounding through oversized via in a disk drive suspension flexure circuit

Suspension having microactuator grounded to opposite side of metal support layer

GSA suspension having slider clearance for shock performance

Gimbal based DSA suspension with microactuator attached from load beam side of flexure

Formed electrical contact pad for use in a dual stage actuated suspension

GSA suspension with microactuators extending to gimbal through flexible connectors

Baseplate hub geometry for reduced after-swaging suspension deflection

Multi-layer PZT microacuator with active PZT constraining layers for a DSA suspension

Load beam limiter tabs for HAMR head slider protection

Head gimbal assembly for hard disk drive device

Multi-layer PZT microactuator having oppositely poled PZT constraining layer

Gimbal assembly geometry for hard disk drive

Hard disk drive gimbal design with high yaw mode

Gimbal assembly geometry for hard disk drive

Micro-dual stage actuated gimbal design

Contact pad features

Disk drive suspension tri-stage actuator having pseudo feature integrally constructed on trace gimbal

Assembly of DSA suspensions using microactuators with partially cured adhesives

Assembly of DSA suspensions using microactuators with partially cured adhesive

Head suspension assembly having PZT damper

HAHN PETER

Electrical connections to a microactuator in a hard disk drive suspension

Dual stage actuator suspension having a single microactuator and employing pseudo symmetry to achieve suspension balance

Dual stage actuator suspension having a single microactuator and employing pseudo symmetry to achieve suspension balance

Hard disk drive suspension with reduced PSA change due to humidity and temperature variations

EE KUEN CHEE

Suspension ring gimbal having forwardly extending torsion arms

Disk drive gimbal having a stable pitch static attitude and related method of manufacture

Pitch moment-balanced gimbal for a disk drive suspension