Micro-actuation apparatus for head ABS planarity (PTR)...

Chemistry: electrical and wave energy – Processes and products – Coating – forming or etching by sputtering

Reexamination Certificate

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C204S192340, C204S298320, C204S298360

Reexamination Certificate

active

06979389

ABSTRACT:
An apparatus and method of machining sliders to obtain the optimum PTR for each slider. An array of MEMS devices configured for angular actuation are provided, and a slider is placed in each MEMS device of the array. The ion milling of the sliders is controlled individually for each slider based on the relationship of the ion angle and relative etch rates of the slider components. The MEMS devices are controlled to ensure the ion incidence angle for each slider is such that the desired PTR of each slider is achieved.

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Article entitled “Robot Leg Motion in a Planarized-SOI, 2 Poly Process,” by S. Hollar, A. Flynn, S. Bergbreiter, and K.S.I. Pister.
Article entitled “Single Mask, Large Force, and Large Displacement Electrostatic Linear Inchworm Motors,” by R. Yeh, S. Hollar, and K. Pister.

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