Etching a substrate: processes – Adhesive or autogenous bonding of two or more... – Removing at least one of the self-sustaining preforms or a...
Patent
1995-03-27
1996-05-14
Valentine, Donald R.
Etching a substrate: processes
Adhesive or autogenous bonding of two or more...
Removing at least one of the self-sustaining preforms or a...
216 48, 216 52, 216 66, 216 38, C03C 2700, C03C 2506, H01L 21306
Patent
active
055164307
ABSTRACT:
A process for reactive ion etching or ion milling of an air bearing slider comprises the steps of mechanical alignment of unetched slider rows with active transducer devices onto an alignment fixture; positioning a layer of thermally conductive adhesive between the rows and a substrate; heating the adhesive through the substrate such that the adhesive bonds the rows to the substrate while encapsulating the rows; removing the alignment fixture; patterning and etching the exposed planarized slider surfaces; stripping the resist and cutting the rows into individual sliders while still bonded to the substrate; stripping the adhesive with an organic solvent. This process increases tolerance to manufacturing variability, minimizes damage and contamination of the transducer devices, and decreases the cycle time and production costs.
REFERENCES:
patent: 4564585 (1986-01-01), Blaske et al.
patent: 5156704 (1992-10-01), Kemp
Kallman Nathan N.
Read-Rite Corporation
Valentine Donald R.
LandOfFree
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