Abstract: Construction of a permanent magnet rotor assembly having a plurality of magnetic poles and comprising a number of magnetic pole pieces arranged in circular array. Two sets of permanent magnets—one set magnetised in circumferential direction of the rotor and the second set providing flux in axial direction of rotor, generating a magnetic flux focused through the pole piece and interacting with the magnetic flux of the stator. End-plates made of magnetic material are present such there is an axial gap between the them and the array of magnetic pole pieces. Circumferentially magnetised magnets are placed in the circumferential gaps between the pole pieces, whereas the magnets providing flux in axial direction are placed in the gaps between the array of pole pieces and end-plates.

Abstract: A system and a method are disclosed for recommending electronic messages in a message sharing system. Users can post messages to the message sharing system. These messages from posting users are received by the system and sent to receiving users that have subscribed to the posting users. The receiving users interact with the messages in various ways, such as by sharing the messages with other users. Interaction information is received for each of the electronic messages. The interaction information includes an indication of the number of interactions with the electronic message by receiving users. A score is determined for each electronic message based on the interaction information. Electronic messages are selected for being recommended to a user or a group of users based on the scores. The recommendations are then sent to the users, enabling users to better focus their attention on messages that are likely to be interesting.

Abstract: Embodiments include systems, devices, and methods for monitoring etch or deposition rates, or controlling an operation of a wafer fabrication process. In an embodiment, a processing tool includes a processing chamber having a liner wall around a chamber volume, and a monitoring device having a sensor exposed to the chamber volume through a hole in the liner wall. The sensor is capable of measuring, in real-time, material deposition and removal rates occurring within the chamber volume during the wafer fabrication process. The monitoring device can be moved relative to the hole in the liner wall to selectively expose either the sensor or a blank area to the chamber volume through the hole. Accordingly, the wafer fabrication process being performed in the chamber volume may be monitored by the sensor, and the sensor may be sealed off from the chamber volume during an in-situ chamber cleaning process. Other embodiments are also described and claimed.

Abstract: A real-time messaging platform and method are disclosed which can be used to promote content in the messaging platform. In one embodiment, the promotion system is disclosed which performs initial candidate selection so as to narrow down the set of candidate promotions before applying more expensive processing. The candidate selection takes advantage of the connection graph information associated with accounts in the messaging platform to identify targeted accounts. In another embodiment, the promotion system uses a prediction model to predict a user's engagement with the promotion and utilizes the prediction to assist in ranking the candidate promotions. Promotions can be assigned metrics based, for example, on a weighted combination of user engagement rates, decayed with time to reflect an intuition that recent interactions by one or more users with the promotion will have a greater impact than older interactions with the promotion.

Abstract: Embodiments of a process kit for use in a multi-cathode process chamber are disclosed herein. In some embodiments, a process kit includes a rotatable shield having a base, a conical portion extend downward and radially outward from the base, and a collar portion extending radially outward from a bottom of the conical portion; an inner deposition ring having a leg portion, a flat portion extending radially inward from the leg portion, a first recessed portion extending radially inward from the flat portion, and a first lip extending upward from an innermost section of the first recessed portion; and an outer deposition ring having a collar portion, an upper flat portion disposed above and extending radially inward from the collar portion, a second recessed portion extending inward from the upper flat portion, and a second lip extending upward from an innermost section of the second recessed portion.

Abstract: A real-time messaging platform and method is disclosed which classifies messages in accordance with a combination of user engagement events as modified to reflect the temporal structure of the user engagement events. A message can be assigned a metric based, for example, on a weighted combination of user engagement rates, decayed with time to reflect an intuition that recent interactions by one or more users with the message will have a greater impact than older interactions with the message. Different types of interaction by one or more users with the message can be assigned different weights when the different engagement events are combined and, also, can be assigned different temporal characteristics.

Abstract: A system and a method are disclosed for recommending electronic messages in a message sharing system. Users can post messages to the message sharing system. These messages from posting users are received by the system and sent to receiving users that have subscribed to the posting users. The receiving users interact with the messages in various ways, such as by sharing the messages with other users. Interaction information is received for each of the electronic messages. The interaction information includes an indication of the number of interactions with the electronic message by receiving users. A score is determined for each electronic message based on the interaction information. Electronic messages are selected for being recommended to a user or a group of users based on the scores. The recommendations are then sent to the users, enabling users to better focus their attention on messages that are likely to be interesting.

Abstract: Methods and apparatus for processing substrates with a multi-cathode chamber. The multi-cathode chamber includes a shield with a plurality of holes and a plurality of shunts. The shield is rotatable to orient the holes and shunts with a plurality of cathodes located above the shield. The shunts interact with magnets from the cathodes to prevent interference during processing. The shield can be raised and lowered to adjust gapping between a target of a cathode and a hole to provide a dark space during processing.

Abstract: A cooling chamber comprising a support plate connected to a cryo pump and turbo pump, a clamp ring with a plurality of clamp pads on the bottom thereof where each clamp pad has a beveled surface directed downward and a lift plate to move the clamp ring from a clamp position to a loading position are described. Cluster tools incorporating the cooling chamber and methods of using the cooling chamber are also described.

Abstract: A method for distributed processing involves receiving a graph (G) of targets and of influencers, with each influencer related to at least one target, receiving an action graph of actions performed by one or more of the influencers, and key partitioning G across shards. The method further involves transposing the first graph (G) to obtain a first transposed graph (GT), valuing partitioning GT across the shards, storing the action graph on multiple shards, issuing, to a shard, a request specifying an influencer, to perform an intersection, receiving a response to the request of a set of influencers each of which is related to a target, and determining whether to send a recommendation to the target based on the response.

Abstract: Apparatus for improving temperature uniformity across a substrate are provided herein. In some embodiments, a deposition ring for use in a substrate processing system to process a substrate may include an annular body having a first surface, an opposing second surface, and a central opening passing through the first and second surfaces, wherein the second surface is configured to be disposed over a substrate support having a support surface to support a substrate having a given width, and wherein the opening is sized to expose a predominant portion of the support surface; and wherein the first surface includes at least one reflective portion configured to reflect heat energy toward a central axis of the annular body, wherein the at least one reflective portion has a surface area that is about 5 to about 50 percent of a total surface area of the first surface.

Abstract: Embodiments described herein provide a remote plasma system utilizing a microwave source. Additionally, generation and deposition techniques for 2D transition metal chalcogenides with large area uniformity utilizing microwave assisted generation of radicals is disclosed. Plasma may be generated remotely utilizing the microwave source. A processing platform configured to deposit 2D transition metal chalcogenides is also disclosed.

Abstract: A method for distributed processing involves receiving a graph (G) of targets and of influencers, with each influencer related to at least one target, receiving an action graph of actions performed by one or more of the influencers, and key partitioning G across shards. The method further involves transposing the first graph (G) to obtain a first transposed graph (GT), valuing partitioning GT across the shards, storing the action graph on multiple shards, issuing, to a shard, a request specifying an influencer, to perform an intersection, receiving a response to the request of a set of influencers each of which is related to a target, and determining whether to send a recommendation to the target based on the response.

Abstract: An electrostatic chuck includes a dielectric disk having a support surface to support a substrate and an opposing second surface, wherein at least one chucking electrode is disposed within the dielectric disk; a radio frequency (RF) bias plate disposed below the dielectric disk; a plurality of lamps disposed below the RF bias plate to heat the dielectric disk; a metallic plate disposed below the lamps to absorb heat generated by the lamps; a shaft coupled to the second surface of the dielectric disk at a first end of the shaft to support the dielectric disk in a spaced apart relation to the RF bias plate and extending away from the dielectric disk and through the RF bias plate and the metallic plate; and a rotation assembly coupled to the shaft to rotate the shaft and the dielectric disk with respect to the RF bias plate, lamps, and metallic plate.

Abstract: A real-time messaging platform and method is disclosed which classifies messages in accordance with a combination of user engagement events as modified to reflect the temporal structure of the user engagement events. A message can be assigned a metric based, for example, on a weighted combination of user engagement rates, decayed with time to reflect an intuition that recent interactions by one or more users with the message will have a greater impact than older interactions with the message. Different types of interaction by one or more users with the message can be assigned different weights when the different engagement events are combined and, also, can be assigned different temporal characteristics.

Abstract: Embodiments of a method and apparatus for co-sputtering multiple target materials are provided herein. In some embodiments, a process chamber including a substrate support to support a substrate; a plurality of cathodes coupled to a carrier and having a corresponding plurality of targets to be sputtered onto the substrate; and a process shield coupled to the carrier and extending between adjacent pairs of the plurality of targets.

Abstract: Embodiments described herein provide a remote plasma system utilizing a microwave source. Additionally, generation and deposition techniques for 2D transition metal chalcogenides with large area uniformity utilizing microwave assisted generation of radicals is disclosed. Plasma may be generated remotely utilizing the microwave source. A processing platform configured to deposit 2D transition metal chalcogenides is also disclosed.

Abstract: A real-time messaging platform and method is disclosed which classifies messages in accordance with a combination of user engagement events as modified to reflect the temporal structure of the user engagement events. A message can be assigned a metric based, for example, on a weighted combination of user engagement rates, decayed with time to reflect an intuition that recent interactions by one or more users with the message will have a greater impact than older interactions with the message. Different types of interaction by one or more users with the message can be assigned different weights when the different engagement events are combined and, also, can be assigned different temporal characteristics.

Abstract: A real-time messaging platform and method are disclosed which can be used to promote content in the messaging platform. In one embodiment, the promotion system is disclosed which performs initial candidate selection so as to narrow down the set of candidate promotions before applying more expensive processing. The candidate selection takes advantage of the connection graph information associated with accounts in the messaging platform to identify targeted accounts. In another embodiment, the promotion system uses a prediction model to predict a user's engagement with the promotion and utilizes the prediction to assist in ranking the candidate promotions. Promotions can be assigned metrics based, for example, on a weighted combination of user engagement rates, decayed with time to reflect an intuition that recent interactions by one or more users with the promotion will have a greater impact than older interactions with the promotion.

Abstract: A system and a method are disclosed for recommending electronic messages in a message sharing system. Users can post messages to the message sharing system. These messages from posting users are received by the system and sent to receiving users that have subscribed to the posting users. The receiving users interact with the messages in various ways, such as by sharing the messages with other users. Interaction information is received for each of the electronic messages. The interaction information includes an indication of the number of interactions with the electronic message by receiving users. A score is determined for each electronic message based on the interaction information. Electronic messages are selected for being recommended to a user or a group of users based on the scores. The recommendations are then sent to the users, enabling users to better focus their attention on messages that are likely to be interesting.