H01L21/68707

Ultrathin conformal coatings for electrostatic dissipation in semiconductor process tools

Disclosed in some embodiments is a chamber component (such as an end effector body) coated with an ultrathin electrically-dissipative material to provide a dissipative path from the coating to the ground. The coating may be deposited via a chemical precursor deposition to provide a uniform, conformal, and porosity free coating in a cost effective manner. In an embodiment wherein the chamber component comprises an end effector body, the end effector body may further comprise replaceable contact pads for supporting a substrate and the contact surface of the contact pads head may also be coated with an electrically-dissipative material.

Substrate treatment apparatus
11534859 · 2022-12-27 · ·

A substrate treatment apparatus includes a transport part to transport a transparent rectangular substrate, a substrate support part to support the substrate, light generators to irradiate two different lights onto the moving substrate, and sense the irradiated lights, and a controller to determine a posture of the substrate with reference to the sensed lights and control the transport part such that the substrate is seated on the substrate support part in a default posture that is preset. The controller determines the posture of the transparent rectangular substrate with respect to the default posture using a time difference between a time point at which a first light of the two different lights is not transmitted through an edge of the transparent rectangular substrate and a time point at which a second light of the two different lights is not transmitted through the edge of the transparent rectangular substrate.

WAFER CONVEYANCE UNIT AND WAFER CONVEYANCE METHOD

A failure analysis unit is a wafer conveyance unit configured to convey a wafer while holding the wafer in a semiconductor failure analysis apparatus, the wafer conveyance unit including: a placement table configured to fix a wafer at a predetermined observation position; and a wafer chuck configured to convey the wafer while holding the wafer to the observation position. The wafer chuck includes a plurality of holding members (protruding portions) provided so as to face a side surface of the wafer, and holds the wafer by sandwiching a peripheral portion of the wafer W with the plurality of holding members.

APPARATUS FOR TREATING SUBSTRATE

Provided is an apparatus for treating a substrate. The apparatus for treating the substrate includes a chamber having an inner space, a support unit configured to support the substrate in the inner space, a gas supply tube configured to supply a gas onto the substrate supported on the support unit, a gas exhaust tube configured to exhaust the gas from the inner space, and a gas block connected to the gas supply tube and the gas exhaust tube and provided above the chamber.

SUSCEPTOR CLEANING
20220403507 · 2022-12-22 ·

The current disclosure relates to a vapor deposition assembly for depositing material on a substrate. The vapor deposition assembly comprises a treatment chamber for treating susceptors from a deposition chamber that comprises multiple, moveable susceptors. The assembly further comprises a transfer system configured and arranged to move a susceptor between the deposition chamber and the treatment chamber. The disclosure further relates to a method of cleaning as susceptor and to a susceptor treatment apparatus.

WAFER SUSPENSION FORK
20220402145 · 2022-12-22 ·

A wafer suspension fork has a body and a cover. The body has a connection portion having multiple inlets and two arms being symmetrical in shape and protruding from the connection portion. Each arm has a holding surface, a flowing surface, multiple inner and outer inclined holes formed in the holding surface arranged along a protruding direction, an inner flowing channel formed in the flowing surface and communicating with the inner inclined holes and the inlets, and an outer flowing channel formed in the flowing surface and communicating with the outer inclined holes and the inlets. The cover is fixed to a bottom surface of the body. A wafer is able to be suspended and held above the two arms by adjusting pressure of gas flowing out from the inner and outer inclined holes and is able to be moved free from being scratched.

Load port with non-contact sensor
11532496 · 2022-12-20 · ·

A load port includes a first pin projecting on a dock plate and provided on the dock plate so as to be pushed down, and a first detection unit provided on the base portion and configured to detect that the dock plate is located at a first position. The first detection unit includes a movable member capable of displacing in a moving direction of the dock plate, and a first sensor configured to detect the displacement of the movable member. The movable member is arranged at a position to abut against the first pin that is in a pushed down state in a process in which the dock plate moves from a second position to the first position.

WAFER HANDLING ROBOT WITH GRAVITATIONAL FIELD SENSOR

Disclosed are techniques and systems for automatically determining and correcting the levelness of a wafer handling robot end effector. The systems may use a tilt sensor or a gravitational field sensor which may be calibrated to the wafer handling robot. The output from the tilt sensor may be used to determine or estimate the tilt of an end effector of the wafer handling robot and to perform correctional positioning to reduce or eliminate the tilt, to automatically teach certain positions that have reduced tilt, to perform health checks on the robot, provide feedback to a user, etc.

TRANSPORT SYSTEM AND DETERMINATION METHOD

A transport system includes a robot, sensors (an aligner sensor, a protrusion detecting sensor) and a controller. The robot having a hand which supports a wafer and transports the wafer to an aligner apparatus. The sensor detects the position of the wafer before the robot delivers the wafer to the aligner apparatus while supporting the wafer on the hand. The controller determines the positional deviation of the wafer based on a detection value of the sensor.

GUIDE UNIT, TRANSFER ASSEMBLY AND DIE BONDING APPARATUS INCLUDING THE SAME
20220399221 · 2022-12-15 ·

The inventive concept provides a transfer assembly. The transfer assembly includes a transfer robot configured to take out the transfer object stored at the cassette and to transfer in a first direction to the target position; and a guide unit providing a transfer passage for transferring the transfer object, and wherein the guide unit comprises: a first guide member provided with its lengthwise direction in the first direction; and a second guide member provided with its lengthwise direction in the first direction, and space apart from the first guide member in a second direction perpendicular to the first direction the first guide member and the second member defining the transfer passage therebetween, and wherein at least a portion of the first guide member is movable such that a width of the transfer passage is changeable by the movement of the at least a portion of the first guide member.