This inventor holds 2 USPTO granted patents. Top assignees: Biorne Enterprises, Inc., Other. Active years: 1989.
Company Filing History:
1 out of 1 
1 out of 834,411 Years Active: 1989
Title: Innovations by John E Premeau
Introduction
John E Premeau is a notable inventor based in Fremont, CA, with a focus on advancements in semiconductor manufacturing technology. He holds 2 patents that showcase his innovative contributions to the field.
Latest Patents
One of his latest patents is the "Wafer Transfer Apparatus." This invention features a transfer mechanism designed to pick up objects, such as wafers used in semiconductor chip manufacturing, from one location, lift them, transfer them laterally, lower them, and deposit them in another location. The apparatus includes a horizontal feedscrew mounted in a stationary base that controls the horizontal reciprocation of a transverse housing. A vertical feedscrew mounted in the transverse housing manages the vertical reciprocation of a second housing, which supports one or more lifts. Each lift is equipped with guide rods and a stop, while a reciprocating rod carrying a gripper moves to clamp the wafer during the transfer process.
Another significant patent is the "Machine for Stripping Wafers." This apparatus is designed for stripping photoresist and other coatings from integrated circuit wafers. It comprises a series of vertically positioned casings with rotary turrets, each accommodating approximately 10 wafers. The wafers are lifted one at a time and immersed in solvent, followed by additional rinsing and drying processes to ensure the removal of all coatings.
Career Highlights
Throughout his career, John E Premeau has worked with various companies, including Biorne Enterprises, Inc. His work has significantly impacted the semiconductor industry, particularly in wafer handling and processing technologies.
Collaborations
John has collaborated with notable individuals such as Rolf Moe and David J Corriea, contributing to the development of innovative solutions in his field.
Conclusion
John E Premeau's contributions to semiconductor manufacturing through his patents demonstrate his commitment to innovation and excellence. His inventions continue to influence the industry and pave the way for future advancements.