The present invention relates to a Microelectro mechanical system structure.
More specifically the invention relates to utilize a sacrificial layer to fabricate
an air bearing structure, followed by forming an aperture, and reducing the aperture
to nano-scale by electroplating. And then, by using of two thick film photoresist
films for twice electroplating fabrication, for fabricate metal microcoils having
high aspect ratio structure and interconnection metal line, to achieve efficiencies
of utilizing area and reducing resistance. Moreover, proceed lithography depends
on different portions and exposure dose. Then form a single photoresist film to
have a specific dimension and thickness structure, finally, by using reflow process,
forming a magneto-optic (MO) pickup head comprises of Supersphere Solid Immersion
Lens (SSIL), nano-aperture, microcoils and air bearing by using an integrated fabrication,
with advantages such as no high cost device and precise apparatus are required
in the process of fabrication, mass production in batch fabrication, without step
of assembly, for high-density data storage and rewritable record.