Patents Represented by Law Firm Knobbe, Martens, Olson & Bea, LLP
  • Patent number: 6057986
    Abstract: A support structure for a magnetic head slider for reading/writing includes: (a) a wiring flexure including: (i) a plate substrate having a distal end and a proximal end and having an opening at the proximal end; (ii) an insulating layer formed on the plate substrate and having at least one through-hole at its proximal end; (iii) a conductor layer formed on the insulating layer; and (iv) a protection layer formed on the conductor layer and having at least one through-hole at its distal end; (b) a load beam having two sides through which an aperture is formed; and (c) an arm having a distal end where the load beam is supported. The wiring flexure passes through the aperture of the load beam and is fixed at a position between its distal end and its proximal end.
    Type: Grant
    Filed: May 5, 1998
    Date of Patent: May 2, 2000
    Assignee: Suncall Corporation
    Inventor: Satoru Takasugi
  • Patent number: 5741933
    Abstract: The present invention provides a process for preparing an aromatic or heteroaromatic thiol represented by the formula (2), the process comprising hydrolyzing an aromatic or heteroaromatic halogenated methyl sulfide represented by the formula (1)Ar.paren open-st.SCH.sub.3-m X.sub.m).sub.n (1)Ar.paren open-st.SH).sub.n (2)wherein Ar is an aromatic or heteroaromatic ring which has no substituent or which has an optional substituent or substituents, X is a halogen atom, m is an integer of 1 to 3 and n is 1 or 2.According to the present invention, an aromatic or heteroaromatic thiol can be prepared at a commercially low cost and with ease.
    Type: Grant
    Filed: July 24, 1996
    Date of Patent: April 21, 1998
    Assignee: Sumitomo Seika Chemicals Co., Ltd.
    Inventors: Hiroshi Goda, Mikio Yamamoto, Jun-ichi Sakamoto, Hitoshi Karino