摘要:
Provided is a method and structure for utilizing advance channel substrate materials in semiconductor manufacturing. Advanced channel substrate materials such as germanium and Group III-V channel substrate materials, are advantageously utilized. One or more capping films including at least a nitride layer are formed over the channel substrate prior to patterning, ion implantation and the subsequent stripping and wet cleaning operations. With the capping layers intact during these operations, attack of the channel substrate material is prevented and the protective films are easily removed subsequently. The films are dimensioned in conjunction with the ion implantation operation to enable the desired dopant profile and concentration to be formed in the channel substrate material.
摘要:
The present disclosure provides a method including providing a chamber having a first inlet and a second inlet. A solution of a de-ionized (DI) water and an acid (e.g., a dilute acid) is provided to the chamber via the first inlet. A carrier gas (e.g., N2) is provided to the chamber via the second inlet. The solution and the carrier gas are in the chamber and then from the chamber onto a single semiconductor wafer. In an embodiment, the solution includes a dilute HCl and DI water.
摘要:
The present disclosure provides a method and apparatus for cleaning a semiconductor wafer. In an embodiment of the method, a single wafer cleaning apparatus is provided and a wafer is positioned in the apparatus. A first chemical spray is dispensed onto a front surface of the wafer. A back surface of the wafer is cleaned while dispensing the first chemical spray. The cleaning of the back surface may include a brush and spray of cleaning fluids. An apparatus operable to clean the front surface and the back surface of a single semiconductor wafer is also described.
摘要:
The present disclosure provides a method and apparatus for cleaning a semiconductor wafer. In an embodiment of the method, a single wafer cleaning apparatus is provided and a wafer is positioned in the apparatus. A first chemical spray is dispensed onto a front surface of the wafer. A back surface of the wafer is cleaned while dispensing the first chemical spray. The cleaning of the back surface may include a brush and spray of cleaning fluids. An apparatus operable to clean the front surface and the back surface of a single semiconductor wafer is also described.
摘要:
A method includes providing a wafer and providing a first spray bar spaced a distance from the wafer. A first spray is dispensed from the first spray bar onto a first portion (e.g., half) of the wafer. Thereafter, the wafer is rotated. A second spray is dispensed from the first spray bar onto a second portion (e.g., half) of the rotated wafer. In embodiments, a plurality of spray bars are positioned above the wafer. One or more of the spray bars may be tunable in separation distance and/or angle of dispensing.
摘要:
A method of making an integrated circuit is provided. The method includes providing a substrate having a photosensitive layer. The photosensitive layer is exposed to a radiation beam. The exposed photosensitive layer is developed in a first chamber. In the first chamber, a cleaning process is performed on the developed photosensitive layer. The cleaning process includes using a rinse solution including at least one of ozone, hydrogen peroxide, and oxalic acid.
摘要:
A method includes providing a wafer and providing a first spray bar spaced a distance from the wafer. A first spray is dispensed from the first spray bar onto a first portion (e.g., half) of the wafer. Thereafter, the wafer is rotated. A second spray is dispensed from the first spray bar onto a second portion (e.g., half) of the rotated wafer. In embodiments, a plurality of spray bars are positioned above the wafer. One or more of the spray bars may be tunable in separation distance and/or angle of dispensing.
摘要:
Methods and apparatus for a movable megasonic wafer probe. A method is disclosed including positioning a movable probe on a wafer surface, the movable probe having an open bottom portion that exposes a portion of the wafer surface; applying a liquid onto the wafer surface through a bottom portion of the movable probe; and moving the movable probe at a predetermined scan speed to traverse the wafer surface, applying the liquid to the wafer surface while moving over the wafer surface. In additional embodiments the method includes providing a transducer for applying megasonic energy to the wafer surface. Apparatus embodiments are disclosed including the movable megasonic wafer probe.
摘要:
Semiconductor materials, particularly III-V materials used to form, e.g., a finlike structure can suffer structural damage during chemical mechanical polishing steps. This damage can be reduced or eliminated by oxidizing the damaged surface of the material and then etching away the oxidized material. The etching step can be accomplished simultaneously with a step of etching back a patterned oxide layers, such as a shallow trench isolation layer.
摘要:
A method for fabricating an integrated device is disclosed. A protective layer is formed over a gate structure when forming epitaxial (epi) features adjacent to another gate structure uncovered by the protective layer. The protective layer is thereafter removed after forming the epitaxial (epi) features. The disclosed method provides an improved method for removing the protective layer without substantial defects resulting. In an embodiment, the improved formation method is achieved by providing a protector over an oxide-base material, and then removing the protective layer using a chemical comprising hydrofluoric acid.