Patent classifications
H01L21/67248
Electrostatic chuck sidewall gas curtain
The present disclosure describes an apparatus. The apparatus includes a chuck for placing an object thereon, a gas passage extending along a periphery of an outer sidewall of the chuck and separating the chuck into an inner portion and a sidewall portion, and a plurality of gas holes through the sidewall portion and configured to connect a gas external to the chuck to the gas passage.
Selectively etching for nanowires
A method for selectively etching layers of a first material with respect to layers of a second material in a stack is provided. The layers of the first material are partially etched with respect to the layers of the second material. A deposition layer is selectively deposited on the stack, wherein portions of the deposition layer covering the layers of the second material are thicker than portions covering the layers of the first material, the selective depositing comprising providing a first reactant, purging some of the first reactant, wherein some undeposited first reactant is not purged, and providing a second reactant, wherein the undeposited first reactant combines with the second reactant and selectively deposits on the layers of the second material with respect to the layers of the first material. The layers of the first material are selectively etched with respect to the layers of the second material.
Measuring device and method
A measuring device is provided. The measuring device includes a base substrate, sensor electrodes, a temperature sensor, a high frequency oscillator, C/V conversion circuits for generating voltage signals corresponding to electrostatic capacitances of the sensor electrodes, an A/D converter for converting the voltage signals to digital values, a calculation unit for calculating measurement values indicating the electrostatic capacitances based on the digital values, and phase control circuits connected between the sensor electrodes and the high-frequency oscillator. Each of the conversion circuits includes an operational amplifier, and the high-frequency oscillator is connected to a non-inverting input terminal of the amplifier and is connected to an inverting input terminal thereof through a corresponding phase control circuit. The calculation unit stores parameters for setting admittances of the phase control circuits in association with temperatures and adjusts the admittances of the phase control circuits using a parameter associated with a detected temperature.
Rapid thermal processing apparatus
The present disclosure relates to a rapid thermal processing apparatus for rapid heat treatment of a substrate, and particularly, to increasing the accuracy in measuring the temperature of a substrate to be thermally processed by configuring a thermocouple for measuring the temperature of the substrate under the same conditions as the substrate to be thermally processed so as to be attached to and detached from the chamber, and the present disclosure provides a rapid thermal processing apparatus having a thermocouple installed to measure a temperature of a substrate to be thermally processed located inside a chamber, and the rapid thermal processing apparatus includes a mounting hole formed in the chamber, and a thermocouple kit inserted into and mounted to the mounting hole so that a bonding portion of a thermocouple wire is located at a thermocouple substrate extending into the chamber.
SUBSTRATE SUPPORT WITH VARYING DEPTHS OF AREAS BETWEEN MESAS AND CORRESPONDING TEMPERATURE DEPENDENT METHOD OF FABRICATING
A method is provided and includes: determining a temperature distribution pattern across a substrate or a support plate of a substrate support; determining, based on the temperature distribution pattern, a number of masks to apply to a top surface of the support plate, where the number of masks is greater than or equal to two; and determining patterns of the masks based on the temperature distribution pattern; and applying the masks over the top surface. The method further includes: performing a first machining process to remove a portion of the support plate unprotected by the masks to form first mesas and first recessed areas between the first mesas; removing a first mask from the support plate; performing a second machining process to form second recessed areas and at least one of second mesas or a first seal band area; and removing a second mask from the support plate.
METHOD FOR POLISHING SEMICONDUCTOR SUBSTRATE
A method for polishing a semiconductor substrate includes the following operations. A semiconductor substrate is received. An abrasive slurry having a first temperature is dispensed to a polishing surface of a polishing pad. The semiconductor substrate is polished. The abrasive slurry have a second temperature is dispensed to the polishing surface of the polishing pad during the polishing of the semiconductor substrate. The second temperature is different from the first temperature.
ETCHING METHOD AND ETCHING APPARATUS
An etching method includes preparing a substrate in which titanium nitride and molybdenum or tungsten are present, and etching the titanium nitride by supplying a processing gas including a ClF.sub.3 gas and a N.sub.2 gas to the substrate, wherein in the etching the titanium nitride, a partial pressure ratio of the ClF.sub.3 gas to the N.sub.2 gas in the processing gas is set to a value at which grain boundaries of the molybdenum or the tungsten are nitrided to such an extent that generation of a pitting is suppressed.
SUBSTRATE PROCESSING APPARATUS, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, AND RECORDING MEDIUM
There is provided a technique that include: a process chamber configured to process a substrate at which at least one target film and a heat assist film are formed; and an electromagnetic wave generator configured to supply an electromagnetic wave into the process chamber, wherein when the substrate is irradiated with the electromagnetic wave, the heat assist film generates heat and the at least one target film is modified by the heat.
Integrated Circuit Device
An integrated circuit device includes a heating element, and a temperature sensor configured to detect a temperature of the heating element. An outer shape of the integrated circuit device has a first side and a second side intersecting the first side, and when a direction along the first side of the integrated circuit device is set as an X direction and a direction along the second side is set as a Y direction, the heating element includes a first heating element, and a second heating element arranged adjacent to the first heating element along the Y direction with a region AR interposed therebetween. The temperature sensor is arranged at an arrangement position where a position in the X direction is a position between a center of the region AR and the second side, and a position in the Y direction is a position between the first heating element and the second heating element.
Integrated Circuit Device
An integrated circuit device includes a heating element, and a control circuit configured to control flow of a current through the heating element. An outer shape of the integrated circuit device has a first side and a second side intersecting the first side. An outer shape of the heating element has a short side and a long side. A distance between the long side of the heating element and the first side of the integrated circuit device is larger than a distance between the short side of the heating element and the second side of the integrated circuit device.