TitleBadertscher patent notebook (#1307)
Biographical NotesRoger Badertscher attended the University of Michigan from 1958 to 1968 where he earned a Ph.D. in electrical engineering. He worked as design engineer and manager at Fairchild from 1969-1975. He joined Zilog in 1975 and rose to General Manager of the Components Division before leaving for Signetics Corporation to become VP of the MOS Division in 1979. He served as President of the Home Computer Division of Atari in 1980 and co-founded personal computer-based graphics start‐up Mindset Corporation in 1982.
ExtentApproximately 12 dated entries over 38 pages.
Dimensions12 x 10 inches
DescriptionCircuit design techniques for high-speed CML (Current Mode Logic) and high-density CMOS RAM memory devices. Several entries related to “Another MOS sense amplifier scheme” (pp. 22, 26 and 33) form the basis for U.S. patent 3983412, below. This book includes a loose copy of a disclosure pertinent to 4K CMOS DRAM technology made to Philips on 1972-09-26.
PatentsThe author is named as inventor on 3 U.S patents, including 1 patent assigned to Fairchild:
U.S. patent 3983412, “Differential sense amplifier.” Filed 1975-07-02. Issued 1976-09-28.
Collection TitleFairchild Semiconductor notebooks and technical papers
PublicationsThe author contributed to the following conference paper during his service at Fairchild:
Seeds, R. and Badertscher, R. N versus P channel for single-supply TTL compatibility. 1973 IEEE International Solid-State Circuits Conference: Digest of Technical Papers, vol. XVI (1973): 32 – 33.