IP Library Granted Patent US 9,165,573
Granted Patent B1
US 9,165,573 · App. 12/617,569 · Granted Oct 20, 2015

Method for controlling camber on air bearing surface of a slider

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Quick Facts
Patent No.
US 9,165,573
App. No.
12/617,569
Granted
Oct 20, 2015
Kind
B1
Abstract

A method of a parting a slider from a slider bar is disclosed. The method includes receiving a slider bar comprising a plurality of sliders and having an air bearing surface (ABS) side and a back side opposite to the ABS side and parting at least one slider from the slider bar with a cutter, wherein the cutter enters the slider bar at least in part on the backside and exits the slider bar at least in part on the ABS side and the ABS side is facing away from the cutting direction by a predetermined acute angle.

Claims (7)

1. A method of parting a slider from a slider bar, the method comprising:

receiving the slider bar comprising a plurality of sliders and having an air bearing surface (ABS) side and a back side opposite to the ABS side;

parting at least one slider from the slider bar with a cutter; and

inducing a compressive stress on the slider, thereby generating a positive camber on the ABS side of the parted slider, and eliminating the need for a separate camber adjustment process;

wherein the cutter enters the slider bar at least in part on the backside along a cutting direction and exits the slider bar at least in part on the ABS side and the ABS side is facing away from the cutting direction by a predetermined acute angle.

2. The method of claim 1 , wherein the ABS side is perpendicular to the cutting direction and facing away from the cutter.

3. The method of claim 1 , wherein the parting comprises parting multiple sliders simultaneously with a plurality of parallel cutters.

Assignments (6)
RELEASE OF SECURITY INTEREST AT REEL 038710 FRAME 0845 Recorded Feb 8, 2022
From: JPMORGAN CHASE BANK, N.A.
To: WESTERN DIGITAL (FREMONT), LLC; WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 058965/0445 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2019
From: WESTERN DIGITAL (FREMONT), LLC
To: WESTERN DIGITAL TECHNOLOGIES, INC.
Reel/Frame 050450/0582 →
RELEASE OF SECURITY INTEREST Recorded Mar 5, 2018
From: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: WESTERN DIGITAL (FREMONT), LLC
Reel/Frame 045501/0158 →
SECURITY AGREEMENT Recorded May 16, 2016
From: WESTERN DIGITAL (FREMONT), LLC
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038710/0845 →
SECURITY AGREEMENT Recorded May 16, 2016
From: WESTERN DIGITAL (FREMONT), LLC
To: U.S. BANK NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 038744/0675 →
SECURITY AGREEMENT Recorded May 16, 2016
From: WESTERN DIGITAL (FREMONT), LLC
To: JPMORGAN CHASE BANK, N.A., AS COLLATERAL AGENT
Reel/Frame 038744/0755 →