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STRUCTURE FOR TESTING JUNCTION LEAKAGE OF SALICIDED DEVICES FABRICATED USING SHALLOW TRENCH AND REFILL TECHNIQUES
STRUCTURE FOR TESTING JUNCTION LEAKAGE OF SALICIDED DEVICES FABRICATED USING SHALLOW TRENCH AND REFILL TECHNIQUES
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机译:利用浅沟槽和填筑技术测试制成的唾液酸化装置的结漏的结构
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摘要
A resistor protect mask is used on a shallow trench isolation device junction to cover a device area except for a strip on the perimeter of the device area. The silicide layer formed on the central surface portion of the device and the strip area on the perimeter of the device upon which silicide formation is prevented forms a test structure for evaluation of junction formation that is immune from the effects of silicide formation on a device trench sidewall. Electrical tests and leakage measurements upon the test structure are compared directly to similar silicide shallow trench isolated devices which do not incorporate the resistor protect mask and shallow trench isolated devices without silicide to determine whether salicide processing is a cause of junction effects including junction leakage and short-circuiting.
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