摘要:
The present disclosure provides an apparatus and a method for polishing a semiconductor substrate in semiconductor device manufacturing. The apparatus can include: a carrier configured to hold the substrate; a polishing pad configured to polish a first surface of the substrate; a chemical mechanical polishing (CMP) slurry delivery arm configured to dispense a CMP slurry onto the first surface of the substrate; and a pad conditioner configured to condition the polishing pad. In some embodiments, the pad conditioner can include: a conditioning disk configured to scratch the polishing pad; a conditioning arm configured to rotate the conditioning disk; a plurality of magnetic screws configured to secure the conditioning disk onto the conditioning arm and including a respective plurality of screw heads; and a plurality of blocking devices respectively positioned beneath the plurality of screw heads and configured to block debris particles from entering a respective plurality of screw holes.
摘要:
An integrated circuit (IC) includes a first power supply node configured to have a first power supply voltage level, a second power supply node configured to have a second power supply voltage level separate from the first power supply voltage level, an n-well, a bias circuit, and a level shifter. The n-well contains first and second PMOS transistors including first source/drain (S/D) terminals coupled to the first power supply node, and third and fourth PMOS transistors including second S/D terminals coupled to the second power supply node. The bias circuit includes the first PMOS transistor including a third S/D terminal coupled to the n-well and a gate coupled to the second power supply node, and the third PMOS transistor including a fourth S/D terminal coupled to the n-well and a gate coupled to the first power supply node. The level shifter includes the second and fourth PMOS transistors.
摘要:
It has been observed that, when a commercial plasma etcher is used for multiple etching tasks involving a variety of products, the amount of plasma damage incurred depends upon the chamber history of the etching tool. Thus, etching a gate sidewall spacer on a damage sensitive product, for example, in a MOSFET product with very thin gate oxide, may result in significant degradation of the gate oxide if the plasma etching tool had been used to etch vias on another type product in the preceding job. A method for monitoring and recording the chamber history and ascertaining the status of a plasma etching tool with regard to the tendency of said tool to introduce plasma damage in thin gate and tunnel oxide layers is disclosed. The method includes an a oxide damage monitor wafer which contains arrays of simple test devices. The monitor wafers can be partially formed and banked for later use. The test devices comprise a polysilicon plate partially covering a gate oxide. A conformal oxide is formed over the structure and the wafer is subjected to a spacer etch in the plasma etching tool being appraised. Dielectric breakdown the thin oxide is measured and the data is compared to a chamber history of the etcher. Those etching procedures which adversely affect the chamber are identified. Once a chamber history is established, the etcher can be expeditiously scheduled and the incidence of jobs lost to oxide damage greatly reduced.
摘要:
A semiconductor structure and a fabricating process for the same are provided. The semiconductor fabricating process includes providing a first dielectric layer, a transitional layer formed on the first dielectric layer, and a conductive fill penetrated through the transitional layer and into the first dielectric layer; removing the transitional layer; and forming a second dielectric layer over the conductive fill and the first dielectric layer.
摘要:
A method for forming an integrated circuit device is provided. The method includes forming a transistor over a frontside of a substrate; forming an interconnect structure over the transistor; depositing a first transition metal layer over the interconnect structure; performing a plasma treatment to turn the first transition metal layer into a first transition metal dichalcogenide layer; forming a dielectric layer over the first transition metal dichalcogenide layer; forming a first gate electrode over the dielectric layer and a first portion of the first transition metal dichalcogenide layer; and forming a first source contact and a first drain contact respectively connected with a second portion and a third portion of the first transition metal dichalcogenide layer, the first portion of the first transition metal dichalcogenide layer being between the second and third portions of the first transition metal dichalcogenide layers.
摘要:
A structure comprises an N+ region formed over a first fin of a substrate, a P+ region formed over a second fin of the substrate, wherein the P+ region and the N+ region form a diode, a shallow trench isolation region formed between the P+ region and the N+ region and a first epitaxial growth block region formed over the shallow trench isolation region and between the N+ region and the P+ region, wherein a forward bias current of the diode flows through a path underneath the shallow trench isolation region.
摘要翻译:一种结构包括形成在衬底的第一鳍上的N +区,形成在衬底的第二鳍上的P +区,其中P +区和N +区形成二极管,在P +区和 N +区域和形成在浅沟槽隔离区域之间以及N +区域和P +区域之间的第一外延生长块区域,其中二极管的正向偏置电流流过浅沟槽隔离区域下方的路径。
摘要:
A semiconductor-on-insulator structure includes a substrate and a buried insulator layer overlying the substrate. A plurality of semiconductor islands overlie the buried insulator layer. The semiconductor islands are isolated from one another by trenches. A plurality of recess resistant regions overlie the buried insulator layer at a lower surface of the trenches.
摘要:
An integrated circuit (IC) device includes a substrate, a first active region, first and second conductive patterns, and a first through via structure. The substrate has opposite first and second sides. The first active region is over the first side of the substrate. The first conductive pattern is over and electrically coupled to the first active region. The first through via structure extends from the second side, through the substrate, to the first side in electrical contact with the first active region. The second conductive pattern is under the second side of the substrate and electrically coupled to the first through via structure.
摘要:
A method includes forming a semiconductor fin protruding higher than top surfaces of isolation regions. The isolation regions extend into a semiconductor substrate. The method further includes etching a portion of the semiconductor fin to form a trench, filling the trench with a first dielectric material, wherein the first dielectric material has a first bandgap, and performing a recessing process to recess the first dielectric material. A recess is formed between opposing portions of the isolation regions. The recess is filled with a second dielectric material. The first dielectric material and the second dielectric material in combination form an additional isolation region. The second dielectric material has a second bandgap smaller than the first bandgap.
摘要:
A new method of forming a silicon-on-insulator device having a body node contact is described. Active areas are isolated from one another within a silicon-on-insulator layer. Adjacent active areas are doped with dopants of opposite polarities to form at least one n-channel active area and at least one p-channel active area. Gate electrodes are formed over each active area. The area directly underlying the gate electrode and extending downward to the insulator layer comprises the body node. Lightly doped areas are formed beneath the spacers on the sidewalls of the gate electrodes. First ions are implanted into the active areas not covered by a mask whereby source and drain regions are formed in the at least one n-channel active area and whereby a p-channel body contact region is formed within the at least one p-channel active area wherein the p-channel body contact region contacts the p-channel body node. Second ions are implanted into the active areas not covered by a mask whereby source and drain regions are formed in the at least one p-channel active area and whereby an n-channel body contact region is formed within the at least one n-channel active area wherein the n-channel body contact region contacts the n-channel body node. The semiconductor substrate is annealed to complete formation of the silicon-on-insulator device having a body node contact in the manufacture of an integrated circuit.