Abstract: A see-through display, comprising: a frame; a controller, disposed on the frame, configured to transmit a control signal; and a lens, disposed on the frame, comprising: a polarization component, configured to confine a polarization state of an ambient light; a partially reflecting mirror component, configured to reflect and transmit the ambient light, comprising: a substrate; and a coating layer; a polarization converter, disposed between the polarization component and the partially reflecting mirror component, configured to convert the polarization state of the ambient light passing through the polarization component according to the control signal; and an electrode, disposed between the polarization converter and the substrate, configured to receive the control signal.

Abstract: A method of preparing scandium metal includes mixing aluminum powder and scandium fluoride powder to form a mixture, heating the mixture in a vacuum environment to react the aluminum powder with the scandium fluoride powder for forming aluminum fluoride gas and scandium metal, and removing the aluminum fluoride gas by evacuation to obtain the scandium metal.

Abstract: In a spectrum query method for automatic frequency coordination protocol applied to an automatic frequency coordination protocol device, an automatic frequency coordination server is inquired for information of adjacent automatic frequency coordination devices corresponding to the automatic frequency coordination device, and an adjacent device list corresponding to the automatic frequency coordination device is obtained; spectrum information of the adjacent automatic frequency coordination devices in the adjacent device list is obtained, and whether to inquire from the automatic frequency coordination server and update the spectrum information of the automatic frequency coordination devices is determined according to the spectrum information.

Abstract: A reversible attachment micro connector includes a pin and mounted on a first assembly and a socket mounted on a second assembly. The socket is operational to mate with the pin at least two times to establish an electrical connection, and separate from the pin at least once. The socket includes a surround structure that defines a cavity with a floor. The cavity is sized to receive the pin. Multiple tabs are disposed in the cavity and coupled to the surround structure. The tabs have a negative longitudinal curvature that protrudes into the cavity. The tabs bend in three dimensions during insertion of the pin and removal of the pin. The negative longitudinal curvature generates a stress distribution that is uniform between the pin and the tabs while the pin is seated in the socket. The pin is retained in the socket based on the stress distribution.

Abstract: This disclosure provides a heat dissipation assembly and an electronic device. The heat dissipation assembly includes a first fan, a first fin assembly, a second fan, a second fin assembly, a vapor chamber and a heat dissipation sheet. The second fan has a second inlet, at least one second outlet and a side outlet. The at least one second outlet and the side outlet are in fluid communication with the second inlet. A direction of the side outlet directs toward the first fan. The vapor chamber is thermally coupled to the first fin assembly and the second fin assembly. The heat dissipation sheet is in thermal contact with a side of the vapor chamber, and located between the first fan and the second fan.

Abstract: An optical system includes a light-receiving plane, a lens group, a pixel-based diaphragm, and a driving unit. The lens group is configured to direct an incident light to the light receiving plane. The pixel-based diaphragm is at an aperture stop of the lens group. The pixel-based diaphragm includes a first substrate coated with pixelated electrodes; a second substrate coated with an electrode; and an active medium layer between the first substrate and the second substrate. The driving unit is electrically coupled with the pixel-based diaphragm and configured to control the pixel-based diaphragm to have a first light transmitting pattern at a first time duration and a second light transmitting pattern at a second time duration, wherein the first light transmitting pattern is different from the second light transmitting pattern.

Abstract: Techniques pertaining to negotiation handshake for dynamic subband operation (DSO) in wireless communications are described. A wireless communication apparatus performs a negotiation handshake regarding a DSO with one other apparatus. The apparatus then participates in the DSO with the other apparatus pursuant to the negotiation handshake. In participating in the negotiation handshake, the apparatus exchanges information on capabilities in supporting the DSO. The information on the capabilities includes information on at least a subband size, a subband position, a switching delay and a switching back delay.

Abstract: A reversable attachment system includes an adhesion layer, an inter-substrate bond structure, a mating layer and an extension actuator. The adhesion layer is configured to attach to a first substrate. The inter-substrate bond structure is coupled to the adhesion layer. The mating layer is configured to attach to a second substrate. The extension actuator is configured to attach to the second substrate and expand in response to an absorption of a gas. The inter-substrate bond structure is configured to form an initial thermocompression bond with the mating layer in response to an applied pressure and an applied heat. The expansion of the extension actuator in response to absorbing the gas detaches the inter-substrate bond structure from the mating layer.

Abstract: An electro-optic device includes a substrate, a buffer layer coupled to the substrate, and a first layer stack coupled to the buffer layer. The first layer stack includes a plurality of electro-optic material layers and a plurality of interlayers interleaved with the plurality of electro-optic material layers. The electro-optic device also includes a cladding layer coupled to the first layer stack.

Abstract: A wireless communication system for a battery cell incorporates an antenna for one-way or two-way wireless communication, wherein the antenna is an integral portion of the battery cell. This includes a battery cell including an anode, a separator, and a cathode that are disposed in a cavity that is formed in a flexible-walled container (pouch), a controller, and an antenna. The pouch includes a first wall that is opposed to a second wall, wherein the first wall and the second wall define the cavity. The first wall includes a metal foil that is laminated between an inner layer and an outer layer. The antenna is formed from a first portion of the metal foil of the first wall of the pouch.

Abstract: A method to aid in a calibration of a compression system includes mounting a first substrate in a press. The press has calibration parameters, and the first substrate has a test film on a first surface. The method includes mounting a second substrate in the press. The second substrate has spikes arranged in a spike pattern on a second surface. The method includes compressing the first substrate and the second substrate together with a force that causes the spikes to form indentations in the test film, separating the first substrate from the second substrate, determining local pressures applied by the spikes against the test film, and adjusting one or more calibration parameters of the press in response to the local pressures.

Abstract: A see-through display, comprising: a frame; a controller, arranged on the frame, for transmitting a control signal according to a display content; and a lens, arranged on the frame, comprising: a polarization component, for confining a polarization state of an ambient light; a partially reflecting mirror component, for reflecting and transmitting the ambient light; and a polarization converter, disposed between the polarization component and the partially reflecting mirror component, for converting the polarization state of the ambient light passed through the polarization component; wherein at least one of the polarization component, the partially reflecting mirror component and the polarization converter is a liquid crystal panel with active matrix connected to the controller for displaying the display content according to the control signal.

Abstract: A user interaction system includes a platform, comprising: a memory, for storing display contents; and a processor, for transmitting the display contents; and a plurality of see-through displays, coupled to the platform, wherein each see-through display of the plurality of see-through displays comprises: a frame; a controller, arranged on the frame, for receiving the display contents and transmitting a control signal according to the display contents; and a lens, arranged on the frame, for displaying the display contents according to the control signal, comprising: a front side, wherein the display contents is displayed on the front side, allowing passersby to see the display contents; and a back side, wherein ambient light transmits through the lens, allowing a user to see surroundings from the back side.

Abstract: A system includes a classical computing system and one or more quantum computing chips coupled to the classical computing system. The one or more quantum computing chips includes one or more electro-optic devices. Each electro-optic device includes a substrate, a waveguide disposed on top of the substrate, and a layer stack disposed on top of the waveguide and including a plurality of electro-optic material layers interleaved with a plurality of interlayers. Each electro-optic device further comprising a waveguide core disposed on top of a portion of the layer stack. The plurality of interlayers are characterized by a first lattice structure and the plurality of electro-optic material layers are under tensile stress and are characterized by a second lattice structure and crystallographic phase.

Abstract: A semiconductor device includes a substrate, at least one semiconductor fin, and at least one epitaxy structure. The semiconductor fin is present on the substrate. The semiconductor fin has at least one recess thereon. The epitaxy structure is present in the recess of the semiconductor fin. The epitaxy structure includes a topmost portion, a first portion and a second portion arranged along a direction from the semiconductor fin to the substrate. The first portion has a germanium atomic percentage higher than a germanium atomic percentage of the topmost portion and a germanium atomic percentage of the second portion.

Abstract: An integrated optical system including a cryostat and a device disposed in the cryostat. The device including an electro-optic switch that includes at least one input port and a first beam splitter. The electro-optic switch including a Mach-Zehnder interferometer coupled to the first beam splitter, wherein the Mach-Zehnder interferometer includes a phase adjustment region including a waveguide core characterized by a first dielectric constant and a waveguide cladding at least partially surrounding the waveguide core and including a second material characterized by a second dielectric constant greater than the first dielectric constant. The electro-optic switch including a second beam splitter coupled to the Mach-Zehnder interferometer; and a set of output ports coupled to the second beam splitter.

Abstract: This disclosure provides a heat dissipation assembly and an electronic device. The heat dissipation assembly includes a first fan, a first fin assembly, a second fan, a second fin assembly, a vapor chamber and a heat dissipation sheet. The second fan has a second inlet, at least one second outlet and a side outlet. The at least one second outlet and the side outlet are in fluid communication with the second inlet. A direction of the side outlet directs toward the first fan. The vapor chamber is thermally coupled to the first fin assembly and the second fin assembly. The heat dissipation sheet is in thermal contact with a side of the vapor chamber, and located between the first fan and the second fan.

Abstract: An inter-substrate bond structure includes an adhesion layer that attached to a first substrate, and an outer gas-permeable layer coupled to the adhesion layer. The outer gas-permeable layer expands and fractures in response to absorbing a gas. The inter-substrate bond structure includes an outer bond layer coupled to the outer gas-permeable layer. The outer bond layer forms an initial thermocompression bond with a mating layer on a second substrate. The initial thermocompression bond bonds the first substrate to the second substrate with the inter-substrate bond structure. The fracture in the inter-substrate bond structure debonds the first substrate from the second substrate while leaving a first portion of the inter-substrate bond structure attached to the first substrate.

Abstract: A waveguide structure includes a substrate and a waveguide core coupled to the substrate and including a first material characterized by a first index of refraction and a first electro-optic coefficient. The waveguide structure also includes a first cladding layer at least partially surrounding the waveguide core and including a second material characterized by a second index of refraction less than the first index of refraction and a second electro-optic coefficient greater than the first electro-optic coefficient. The second cladding layer is coupled to the first cladding layer.

Abstract: The various embodiments described herein include a phase shifter that can have a first electrode that has a distributed shape. The phase shifter can include a second electrode. The phase shifter can include an optical waveguide between the first electrode and the second electrode. Further, the phase shifter can include an active electro-optical material that propagates light, and phase shifts the light.