Patents by Inventor Michael Shienfeld

Michael Shienfeld has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Composite bonding tool and method of making same
    Patent number: 4405074
    Abstract: A method of making a bonding tool from two different materials is provided. A bonding nib partially made from hard jewel-like material and a bonding nib holder is partially made from a larger and tougher material. The two partially made elements are joined by shrink fitting the nib holder onto the bonding nib to provide an unfinished bonding tool. The unfinished composite bonding tool is finished by grinding and polishing exterior surfaces of the bonding nib.
    Type: Grant
    Filed: August 31, 1981
    Date of Patent: September 20, 1983
    Assignee: Kulicke and Soffa Industries Inc.
    Inventors: Chaim Levintov, Michael Shienfeld