Patent classifications
H01L21/67265
SUBSTRATE TRANSFER DEVICE AND SUBSTRATE TRANSFER METHOD
A substrate transfer device includes a transfer unit configured to transfer, in a first direction, a carrier in which substrates are stored, an upper interface unit configured to move the transfer unit, a lower interface unit configured to receive the carrier from the transfer unit, and a controller configured to control the upper interface unit and the lower interface unit integrally such that the transfer unit and the carrier move in the first direction at the same time.
Method and apparatus for bonding semiconductor substrate
A method and an apparatus for bonding semiconductor substrates are provided. The method includes at least the following steps. A first position of a first semiconductor substrate on a first support is gauged by a gauging component embedded in the first support and a first sensor facing towards the gauging component. A second semiconductor substrate is transferred to a position above the first semiconductor substrate by a second support. A second position of the second semiconductor substrate is gauged by a second sensor mounted on the second support and located above the first support. The first semiconductor substrate is positioned based on the second position of the second semiconductor substrate. The second semiconductor substrate is bonded to the first semiconductor substrate.
METHOD OF TEACHING TRANSFER DEVICE, AND TRANSFER SYSTEM
A method of teaching a transfer device provided with a pick configured to hold a substrate and a mapping sensor, includes: detecting, in a reference accommodation container in which reference substrates are accommodated, height positions of the reference substrates using the mapping sensor and setting a reference position in a height direction; detecting, in a plurality of accommodation containers in which production substrates to be processed in a substrate processing apparatus are accommodated, height positions of the production substrates using the mapping sensor and storing information about the height positions; and correcting the reference position based on the stored information in the plurality of accommodation containers.
Process apparatus with on-the-fly substrate centering
A substrate processing apparatus including a frame defining a chamber with a substrate transport opening and a substrate transfer plane defined therein, a valve mounted to the frame and being configured to seal an atmosphere of the chamber when closed, the valve having a door movably disposed to open and close the substrate transport opening, and at least one substrate sensor element disposed on a side of the door and oriented to sense substrates located on the substrate transfer plane.
Method for PUF generation using variations in transistor threshold voltage and subthreshold leakage current
Disclosed is a physical unclonable function generator circuit and method. In one embodiment, a physical unclonable function (PUF) generator comprising: a plurality of PUF cells, wherein each of the plurality of PUF cells comprises a first MOS transistor and a second MOS transistor, wherein terminal S of the first MOS transistor is connected to terminal D of the second MOS transistor at a dynamic node, terminal D of the first MOS transistor is coupled to a first bus and terminal G of the first NMOS transistor is coupled to a second bus, and terminals S and G of the second NMOS transistor are coupled to ground; a plurality of dynamic flip-flop (DFF) circuits wherein each of the plurality of DFF circuits is coupled to each of the plurality of PUF cells respectively; a population count circuit coupled to the plurality of DFF circuits; and an evaluation logic circuit having an input coupled to the population count circuit and an output coupled to the plurality of DFF circuits.
Tool auto-teach method and apparatus
A substrate transport apparatus auto-teach system for auto-teaching a substrate station location, the system including a frame, a substrate transport connected to the frame, the substrate transport having an end effector configured to support a substrate, and a controller configured to move the substrate transport so that the substrate transport biases the substrate supported on the end effector against a substrate station feature causing a change in eccentricity between the substrate and the end effector, determine the change in eccentricity, and determine the substrate station location based on at least the change in eccentricity between the substrate and the end effector.
Systems and methods for wafer pod alignment
In an embodiment, a wafer pod includes: a cavity configured to receive and store a wafer; an alignment fiducial within the cavity, wherein: the alignment fiducial comprises two lines orthogonal to each other, and the alignment fiducial is configured to be detected by a robotic arm alignment sensor disposed on a robotic arm, wherein the alignment fiducial defines an alignment orientation for a robotic arm gripper hand to enter into the cavity.
Mapping of a replacement parts storage container
A method for detecting positions of replacement parts, wafers, or empty carriers for a replacement part stored at a replacement parts storage container is provided. A container is received at a at a load port of a factory interface of an electronics processing system. The container is configured to store replacement parts for a process chamber of the electronics processing system. A robot arm is moved according to a first mapping pattern to identify, using a detection system at a distal end of an end effector of the robot arm, positions of one or more replacement parts in the container. Regions of the container that do not contain replacement parts are determined. The robot arm is moved according to a second mapping pattern to identify, within the regions of the container that do not contain replacement parts, using the detection system, a position in the container of at least one of a wafer or an empty carrier for a replacement part. A mapping of positions of the one or more replacement parts and of positions of at least one of the empty carrier or the wafer in the container is recorded in a storage medium.
Sensor-based correction of robot-held object
A robotic object handling system comprises a robot arm, a non-contact sensor, a first station, and a computing device. The computing device is to cause the robot arm to pick up an object on an end effector, cause the robot arm to position the object within a detection area of the non-contact sensor, cause the non-contact sensor to generate sensor data of the object, determine at least one of a rotational error of the object relative to a target orientation or a positional error of the object relative to a target position based on the sensor data, cause an adjustment to the robot arm to approximately remove at least one of the rotational error or the positional error from the object, and cause the robot arm to place the object at the first station, wherein the placed object lacks at least one of the rotational error or the positional error.
SUBSTRATE PROCESSING APPARATUS AND IMAGE CAPTURING METHOD
A substrate processing apparatus includes: a chamber that accommodates a boat; a transfer mechanism that is provided inside the chamber, and transfers a substrate; a first camera that captures an image of a support column of the boat and the substrate; a support member that is inserted through an opening formed in a wall surface of the chamber, and supports the first camera; and a driver that drives the support member in order to move the first camera between a standby position and a measurement position.