Silicon IC Technology 1971-1990 :
(2) IC Technology Development at Stanford University (1977-78):
(Coworker:
P.W. Barth, Supervisor: Dr. Krishna Saraswat, Guidance : Prof. J.B. Angell)
(4) LSI Design course at IIT Madras (1981-82, 1982-83, and 1983-84):
While others came only for 1 year, I was involved with
the course for all the 3 years (1981-82, 1982-83 and 1983-84). Selected
students came to TIFR during the summer vacation for 3 months to do projects
on LSI design (8 M.Tech. and 2 B.Tech projects). Most of the projects were
LSI designs based on TIFR's own CMOS Gate-Array. One of the chips designed
by a B.Tech. student was realized on silicon through a foundry.
SSE group was involved in the project right from the proposal stage (1984) to the fabrication of the TTL IC (7400 and 7476) chips in Mar. to Dec. 1986. The chips had a high yield of 90% on wafer and 65% after bonding and packaging.
The project was being discussed at very high levels and
contribution by TIFR group, led by me, was recognized as very crucial to
the project by the Chairman, Electronics Commission, (Govt. of India) and
the Chairman & Managing Director of ET&T.
(iv) Voltage Controlled Oscillator (VCO) chip was designed,
fabricated and tested
by a group of 3
students in 6 months time.
(7) Silicon MEMS Activity (1995-2000)
(ii) A MEMS magnetic sensor: (1997-99):
(iii) Current Controlled Curled Tips : (1998-99)
(iv) AutoRanging Torsion Sensors : (1999-2000)
(v) Tunnel-Tips : (1999-2000)
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