摘要:
An integrated circuit with an MOS transistor abutting field oxide and a gate structure on the field oxide adjacent to the MOS transistor and a gap between an epitaxial source/drain and the field oxide is formed with a silicon dioxide-based gap filler in the gap. Metal silicide is formed on the exposed epitaxial source/drain region. A CESL is formed over the integrated circuit and a PMD layer is formed over the CESL. A contact is formed through the PMD layer and CESL to make an electrical connection to the metal silicide on the epitaxial source/drain region.
摘要:
An integrated circuit and method having a first PMOS transistor with extension and pocket implants and with SiGe source and drains and having a second PMOS transistor without extension and without pocket implants and with SiGe source and drains. The distance from the SiGe source and drains to the gate of the first PMOS transistor is greater than the distance from the SiGe source and drains to the gate of the second PMOS transistor and the turn on voltage of the first PMOS transistor is at least 50 mV higher than the turn on voltage of the second PMOS transistor.
摘要:
In described examples, an integrated circuit (100) includes semiconductor material (104). A first gate structure (108) includes a gate dielectric layer (112) and a gate (114). A second gate structure (118) includes a gate (122) that does not overlap a sidewall (142) of a field oxide (106). An SiGe source/drain region (138) is between the first and second gate structures (108, 118), such that a top edge (140) does not extend more than one third of a depth of the SiGe source/drain region (138) from a top surface of the semiconductor material (104). Dielectric spacers (124, 152) are adjacent to lateral surfaces of the gate (122), extending onto the SiGe source/drain region (138). A contact (160) is between the first and second gate structures (108, 118), such that at least half of a bottom of the contact (160) directly contacts metal silicide (156) on the SiGe source/drain region (138).