Tsuji, K.
(Fac. of Inf. Sci., Hiroshima City Univ., Hiroshima, Japan)
,
Terada, K.
(Fac. of Inf. Sci., Hiroshima City Univ., Hiroshima, Japan)
,
Kikuchi, R.
(Fac. of Inf. Sci., Hiroshima City Univ., Hiroshima, Japan)
,
Tsunomura, T.
(MIRAI-Selete, Tsukuba, Japan)
,
Nishida, A.
(MIRAI-Selete, Tsukuba, Japan)
,
Mogami, T.
(MIRAI-Selete, Tsukuba, Japan)
Test structure for charge-based capacitance measurement (CBCM) is improved, to achieve higher accuracy of measuring capacitance-voltage (C-V) curves for actual size MOSFETs. Capacitance mismatch between the device under test (DUT) and the reference is avoided by using charge-injection-induced-error-...
Test structure for charge-based capacitance measurement (CBCM) is improved, to achieve higher accuracy of measuring capacitance-voltage (C-V) curves for actual size MOSFETs. Capacitance mismatch between the device under test (DUT) and the reference is avoided by using charge-injection-induced-error-free CBCM (CIEF CBCM) method. To increase the applicable bias voltage range to DUT, both P- and N-channel MOSFETs are parallel-connected in the pseudo-inverter. It is found that the C-V curves, which are measured with this test structure and are corrected by removing the size effect, are very close to the C-V relation measured by the conventional method, and then, the corrected capacitances give more accurate gate capacitances of MOSFETs.
Test structure for charge-based capacitance measurement (CBCM) is improved, to achieve higher accuracy of measuring capacitance-voltage (C-V) curves for actual size MOSFETs. Capacitance mismatch between the device under test (DUT) and the reference is avoided by using charge-injection-induced-error-free CBCM (CIEF CBCM) method. To increase the applicable bias voltage range to DUT, both P- and N-channel MOSFETs are parallel-connected in the pseudo-inverter. It is found that the C-V curves, which are measured with this test structure and are corrected by removing the size effect, are very close to the C-V relation measured by the conventional method, and then, the corrected capacitances give more accurate gate capacitances of MOSFETs.
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