Reduced parasitic leakage in semiconductor devices

Semiconductor device manufacturing: process – Making field effect device having pair of active regions... – Having insulated gate

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438242, 438243, 438526, H01L 218242

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active

059813326

ABSTRACT:
A trench capacitor having a diffusion region adjacent to the collar to increase the gate threshold voltage of the parasitic MOSFET. This enables the use of a thinner collar while still achieving a leakage that is acceptable. In one embodiment, the diffusion region is self-aligned.

REFERENCES:
patent: 5185284 (1993-02-01), Motonami
patent: 5234856 (1993-08-01), Gonzalez
patent: 5334547 (1994-08-01), Nakamura
patent: 5543348 (1996-08-01), Hammerl et al.
patent: 5741738 (1998-04-01), Mandelman et al.
L. Nesbit et al., A 0.6 micron 2 256Mb Trench DRAM Cell with Self-Aligned BuriEd STap (BEST), IEDM 93-627, 1993.
S. Wolf et al., Silicon Processing for the VLSI Era, vol. 1, Lattice Press, p. 541, 1986.
S. Wolf, Silicon Processing for the VLSI Era, vol. 2, Lattice Press, pp. 18, 19, 301, 331, 333, and 661, 1990.
K. Ng, Complete Guide to Semiconductor Devices, McGraw-Hill, Inc., pp. 4, 164, and 165, 1995.

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