Maskless laser etching of kerfs in ceramic materials for applications in magnetic recording heads slider fabrication

1992 ◽  
pp. 590-593
Author(s):  
Jamal Khan
Keyword(s):  
Magnetic Recording ◽  
Ceramic Materials ◽  
Laser Etching ◽  
Recording Heads ◽  
Magnetic Recording Heads

Laser Etching of Ceramics for Defining Slider Air-Bearing Surfaces for Magnetic Recording Heads

1991 ◽  
Vol 236 ◽  
Author(s):  
Jamal Khan
Keyword(s):  
Magnetic Recording ◽  
Laser System ◽  
Ceramic Substrate ◽  
Etching Process ◽  
Alumina Coating ◽  
Air Bearing ◽  
Laser Etching ◽  
Recording Heads ◽  
Surface Patterns ◽  
Magnetic Recording Heads

AbstractA laser etching process was used to etch air-bearing surface patterns (cavities) on sliders for magnetic recording heads. Results on projection through mask as well as maskless etching of patterns on the TiC-A12O3 ceramic substrate and encapsulant alumina film on the surface are described. Pattern dimensions and location, along with laser operating parameters, are defined via a computer software program in the maskless etching process, and no external hard masks were used. A combination of maskless etching processes, using a Q-switched Nd:YAG laser for most of the ceramic substrate material in the back of the cavity and an excimer laser system for the alumina coating and nearby areas in the front, was found to give the best results.

Imaging magnetic noise sources in magnetic recording heads (Invited Paper)

2005 ◽  
Author(s):  
Lu Yuan ◽  
Jian-Xiang Shen ◽  
Bharat B. Pant ◽  
Sy-Hwang Liou
Keyword(s):  
Magnetic Recording ◽  
Magnetic Noise ◽  
Noise Sources ◽  
Recording Heads ◽  
Magnetic Recording Heads

New magnetic alloys for magnetic recording heads

1972 ◽  
Vol 8 (3) ◽  
pp. 501-502 ◽  
Author(s):  
T. Miyazaki ◽  
R. Sawada ◽  
Y. Ishijima
Keyword(s):  
Magnetic Recording ◽  
Magnetic Alloys ◽  
Recording Heads ◽  
Magnetic Recording Heads

Micromagnetics and Eddy Current Effects in Magnetic Recording Heads

2007 ◽  
Vol 43 (6) ◽  
pp. 2184-2186 ◽  
Author(s):  
Kenichi Takano ◽  
Xiaofeng Zhang ◽  
El-Amine Salhi ◽  
Lijie Guan ◽  
Masanori Sakai ◽  
...  
Keyword(s):  
Eddy Current ◽  
Magnetic Recording ◽  
Recording Heads ◽  
Magnetic Recording Heads

An Experimental Study of Head Instabilities in TMR Sensors for Magnetic Recording Heads with Adaptive Flying Height

2008 ◽  
Vol E91-C (12) ◽  
pp. 1958-1965 ◽  
Author(s):  
D. TONGSOMPORN ◽  
N. AFZULPURKAR ◽  
B. BARGMANN ◽  
L. LEKAWAT ◽  
A. SIRITARATIWAT
Keyword(s):  
Experimental Study ◽  
Magnetic Recording ◽  
Flying Height ◽  
Recording Heads ◽  
Magnetic Recording Heads
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