Abstract: An electronic device includes a circuit board, an electronic component, and an insulating member. The electronic component includes: a component main body that faces the circuit board; and a first lead terminal that is connected to the circuit board. The insulating member includes a base portion, a mounting portion, and an insulating wall. The mounting portion is disposed on the base portion, and is mounted to the circuit board. The insulating wall protrudes from the base portion, and is disposed between the first lead terminal and a conductive member that is positioned so as to be adjacent to the first lead terminal.

Abstract: A display panel includes: a flexible substrate, and the flexible substrate includes an intermediate region and a preset bending region located at at least one side of a periphery of the intermediate region; a display layer located at a side of the flexible substrate; and a transparent cover film layer located at a side of the display layer away from the flexible substrate, and the transparent cover film layer includes a first portion located at a side of the display layer away from the intermediate region, and a second portion located at a side of the display layer away from the preset bending region. The first portion is connected to the second portion, and the thickness of at least partial region of the second portion progressively decreases in a direction away from the first portion.

Abstract: Various embodiments of the present invention relate to a method for accurately detecting, by an electronic device, that a tray for loading a SIM card is detached. An electronic device according to various embodiments of the present invention may comprise: a tray for loading a SIM card; a first processor electrically connected to the tray; and a second processor electrically connected to the first processor, wherein the first processor is configured to transfer a pre-event to the second processor when a detachment event for the tray is detected, and the second processor is configured to identify, in each designated period, whether the SIM card is erroneous; and delay identification of whether the SIM card is erroneous, in response to reception of the pre-event. The present invention may further include various other embodiments.

Abstract: A terminal, an input/output assembly and a bracket are provided. The bracket includes a body. The body includes a first face and a second face facing away from each other. The second face is provided with a plurality of accommodating chambers. The first face is provided with a plurality of through holes corresponding to the plurality of accommodating chambers. The plurality of accommodating chambers is configured to accommodate an input/output module fixedly mounted therein and to expose the input/output module from the second face. The plurality of through holes is configured to expose the input/output module from the first face.

Abstract: Power module includes transformer unit including primary and secondary windings and magnetic core; first and second capacitor units coupled to first terminal of primary winding of transformer unit through first node; first and second external pins respectively coupled to first terminal of first capacitor unit and second terminal of second capacitor unit; first and second switch units coupled to second terminal of primary winding of transformer unit thorough second node; third and fourth external pins respectively coupled to first terminal of first switch unit and second terminal of second switch unit; secondary-side circuit coupled to secondary winding; and fifth and sixth external pins electrically coupled to first and second output terminals of secondary-side circuit, respectively. First external pin is coupled to one of third and fourth external pins selectively.

Abstract: An electronic device for minimizing parasitic emission is provided. The electronic device includes a housing including a front cover, a rear cover located on the opposite side of the front cover, and a lateral member surrounding a space between the front cover and the rear cover, the lateral member having a first conductive portion formed on at least a portion thereof, a support member disposed in the space of the housing and including a second conductive portion having therein at least one opening, a display including a conductive sheet that is disposed between the front cover and the support member so as to be visible from an outside through at least a part of the front cover and is disposed to face the support member, and a wireless communication circuit electrically connected to the first conductive portion. The conductive sheet includes a first portion, a second portion disposed adjacent to the first portion, and a coupling that is partly connected between the first portion and the second portion.

Abstract: A protective enclosure for electrical components includes a body having front and end openings, the body further including front, rear, and two side panels. A door selectively closes the front opening. An end cap closes the end opening. A ledge surrounds the end opening, the ledge lying perpendicular to the front, rear, and side panels, and a plurality of apertures are provided along the ledge. A gasket provides a seal between the end cap and ledge. A plurality of fasteners embedded into the end cap engage with a plurality of clips assembled onto the ledge at the plurality of apertures so as to form a permanent, one-time-use closure that compresses the gasket and maintains compression thereof in response to nothing more than movement of the end cap toward the ledge in a single installation direction perpendicular to the ledge.

Abstract: A system for board-to-board interconnect is described herein. The system includes a first printed circuit board (PCB) having a first recess along a first edge of the first PCB that exposes a first solder pad on a layer of the first PCB. The system also includes a second PCB having a second recess along a second edge of the second PCB that exposes a second solder pad on a layer of the second PCB. The second recess is complementary to the first recess to allow the first PCB to mate with the second PCB. The first solder pad is aligned with the second solder pad when the first PCB is mated with the second PCB. The system additionally includes an assembly configured to electronically couple the first solder pad with the second solder pad.

Abstract: An electrical junction box includes a conductive input busbar, a conductive output busbar electrically connectable to the input busbar, a semiconductor relay electrically connected to the input busbar and the output busbar and configured to switch a connected state and a disconnected state of the input busbar and the output busbar, a substrate having mounted thereon a control circuit configured to output a control signal for controlling the semiconductor relay, and a control terminal electrically connecting the control circuit and the semiconductor relay to each other to output the control signal to the semiconductor relay. The semiconductor relay is mounted on at least one of the input busbar and the output busbar. The input busbar, the output busbar, and the semiconductor relay are disposed away from the substrate.

Abstract: Methods and systems for controlling a set of tools for hydrocarbon recovery are presented. One example system generally includes a first tool and a first control device mounted on the first tool and configured to operate the first tool. The first control device includes an explosion-proof housing and a processor disposed in the housing. The system further includes a second tool and a second control device mounted on the second tool and configured to operate the second tool. The second control device includes an explosion-proof housing and a processor disposed in the housing.

Abstract: This disclosure provides a switch assembly structure and a display device. The switch assembly structure comprises: a switch assembly (100); an assembly housing (400) provided with a first groove (410); a first clamping member (500) provided with a second groove (510), wherein the first clamping member (500) has a first state of being securely connected with the assembly housing (400) and a second state of being separate from the assembly housing (400); wherein, in the second state, the switch assembly (100) is able to mate with the first groove (410) or the second groove (510); and in the first state, the first groove (410) and the second groove (510) combine to form a switch mounting hole (10), and the switch assembly (100) is secured in the switch mounting hole (10) by a securable connection of the first clamping member (500) with the assembly housing (400).

Abstract: A fiber optic ferrule push includes a main body extending between a front end and a rear end, the main body having a central opening extending between the front end and the rear end to receive a plurality of optical fibers therethrough, a front facing surface configured to engage a rear surface of a fiber optic ferrule, and at least one projection extending outward from the main body to engage a housing configured to receive the fiber optic ferrule, the fiber optic ferrule push may also include a key extending outward from a surface of the main body. The fiber optic ferrule push may be paired with a fiber optic ferrule in a fiber optic assembly.

Abstract: An interlocking device for monitoring and enforcing shipping and acclimation conditions includes a servo motor, at least one locking pin, a battery, and a printed circuit board disposed within an enclosure, where the battery is electrically coupled to the servo motor and the printed circuit board. The interlocking device further includes a housing of an input power connector insertable into a first end of the enclosure to prevent the housing of the input power connector from electrically coupling to a power source, where the servo motor is configurable to engage the at least one locking pin to prevent a removal of the housing of the input power connector while inserted in the first end of the enclosure. The interlocking device further includes the printed circuit board configured to control the servo motor based on readings from one or more sensors electrically coupled to the printed circuit board.

Abstract: An electronic apparatus includes a chassis; a display panel that is supported by an inner face of a cover member that defines a rear face of the chassis, the display panel having a display surface exposed to a front face of the chassis; and a support member that supports the display panel at the inner face of the cover member. The support member includes: a cover fixed portion having a cover fixed face that is fixed to the inner face of the cover member; and a panel fixed portion having a panel fixed face that is fixed to a back face of the display panel, the panel fixed portion being elastically displaceable toward the inner face of the cover member.

Abstract: An electronic device is disclosed, including: a first support member including at least one screw-fastening portion; a first printed circuit board (PCB) stacked on the first support member and including at least one screw-fixing portion facing the at least one screw-fastening portion; a second PCB spaced apart from the first PCB, including a first screw guide groove; an interposer disposed between the first PCB and the second PCB electrically connecting them and including a second screw guide groove facing the first screw guide groove; and a second support member stacked on the second PCB and including a screw inlet portion facing the first screw guide groove. The second support member, the first PCB, and the first support member are fixed to each other via a screw inserted through the screw inlet portion.

Abstract: A Baseboard Management Controller (BMC) (125) that may configure itself is disclosed. The BMC (125) may include an access logic (415) to determine a configuration of a chassis (105) that includes the BMC (125). The BMC (125) may also include a built-in self-configuration logic (420) to configure the BMC (125) responsive to the configuration of the chassis (105). The BMC (125) may self-configure without using any BIOS, device drivers, or operating systems.

Abstract: An electronic apparatus includes a circuit assembly having a circuit board that has a number of openings formed therein and a support on which the circuit board is situated and which includes a number of tabs that are received in the number of openings. The circuit assembly further includes a lock that includes a number of lugs that are also received in the openings after the tabs have been received in the openings and which resist the tabs from being dislodged from the openings to thereby retain the circuit board on the support.

Abstract: A sensor unit includes a physical quantity sensor, a connecter to be coupled to the outside, a board on which the physical quantity sensor and the connecter are installed, and a container accommodating the board. The board is provided with a first region in which the connecter is installed, a second region in which the physical quantity sensor is installed, and a coupling region disposed between the first and second regions and having a sectional area S3 that is smaller than a sectional area S1 of the first region and a sectional area S2 of the second region in a sectional view as seen in a direction orthogonal to a direction in which the first region and the second region are arranged, and a region in the second region of the board on the coupling region side is attached to the container via a fixation member.

Abstract: A hermetically sealed filtered feedthrough for an active implantable medical device includes a first conductive leadwire extending from a first end to a second end, the first leadwire second end extending outwardly beyond the device side of an insulator hermetically sealed to a ferrule for the feedthrough. A circuit board supporting a chip capacitor is disposed adjacent to a device side of the insulator and has a circuit board passageway. The first leadwire first end resides in the circuit board passageway. A second conductive leadwire on the device side has a second leadwire first end disposed in the circuit board passageway with a second leadwire second end extending outwardly beyond the circuit board to be connectable to AIMD internal electronics. The second leadwire first end is connected to the first leadwire first end and a capacitor internal metallization in the circuit board passageway.

Abstract: In the foldable device according to the present invention, the inner wall surface of a hinge section forms a part of the side surface of a columnar space that has a cross-section having an arc with a radius R0. When a first unit and a second unit are connected to each other in an open state by means of the hinge section, a flexible cable forms an arc with a radius R1 that is substantially equal to the radius R0.

Abstract: A Baseboard Management Controller (BMC) (125) that may configure itself is disclosed. The BMC (125) may include an access logic (415) to determine a configuration of a chassis (105) that includes the BMC (125). The BMC (125) may also include a built-in self-configuration logic (420) to configure the BMC (125) responsive to the configuration of the chassis (105). The BMC (125) may self-configure without using any BIOS, device drivers, or operating systems.

Abstract: A system for connecting and monitoring a magnetic operator interface assembly. The assembly can provide protection of an operator interface by limiting glare, UV damage, and exposure to rain. It can also protect the operator interface from high pressure cleaning equipment. The assembly is removably magnetically mountable to a sealed enclosure without breaching the enclosure's seal. The magnetic operator interface assembly can withstand operational forces, staying at a magnetically fixed position and without becoming accidentally detached. It is also easy to intentionally install and remove. The system may include sensors that can inform a local or remote dashboard about the status of the magnetic operator interface assembly, such as whether it is installed and whether the cover is open or closed. The system may also include a locking system to prevent tampering and limit access to the operator interface.

Abstract: A chassis includes a housing of an expansion card receiver adapted to house an expansion card and limit removal of the expansion card to a removal path; and a card holder of the expansion card. The card holder, while a retention member of the card holder is disposed in the removal path, receives a translation force directed away from the expansion card along the removal path; in response to receiving the translation force: translates the retention member along the removal path away from the expansion card until the retention member reaches a translation limiter to transition the retention member from a translatable state to a rotatable state, while the retention member is in the rotatable state and not in the translatable state: receives a rotation force directed out of the removal path; and in response to receiving the rotation force, rotate the retention member out of the removal path.

Abstract: An apparatus for charging a handheld computing device is described. The apparatus includes a case, a power storage device, a photovoltaic power source, a charging device, a communication module, and a data connection port. The case is sized to hold a handheld computing device. The power storage device is mechanically connected to the case. The photovoltaic power source is connected to the power storage device. The charging device is electrically connected to the power storage device to charge the handheld computing device. The communication module communicates with the handheld computing device. The data connection port provides data access for the handheld computing device using the communication module.

Abstract: An electronic apparatus includes a first housing, a second housing, a positioning structure, a hinge structure and a positioning piece. The positioning structure includes a plate, a pole and a first snapping portion. The pole and the first snapping portion connect the plate which connects the second housing. The hinge structure includes a first connecting portion and a second connecting portion. The first connecting portion connects the first housing. The second connecting portion pivotally connects the first connecting portion. The second connecting portion includes a main body, a second snapping portion and a hole. The second snapping portion connects the main body and snaps with the first snapping portion. The hole locates at the main body for the pole to penetrate through. The positioning piece locates in the hole and abuts against the main body. The positioning piece connects the pole.

Abstract: A display device comprises a substrate having through holes; a driving circuit board disposed at a lower surface of the substrate; signal pads disposed in the through holes; and conductive connectors each connected to the driving circuit board and a corresponding one of the signal pads, wherein the conductive connectors are surrounded by the corresponding signal pad in a corresponding one of the through holes to achieve reliability in a manufacturing process and a reduction in manufacturing costs by remove the bending area that can cause cracks caused by bending stress.

Abstract: A Baseboard Management Controller (BMC) (125) that may configure itself is disclosed. The BMC (125) may include an access logic (415) to determine a configuration of a chassis (105) that includes the BMC (125). The BMC (125) may also include a built-in self-configuration logic (420) to configure the BMC (125) responsive to the configuration of the chassis (105). The BMC (125) may self-configure without using any BIOS, device drivers, or operating systems.

Abstract: A device may include a connector to connect the device to a chassis. The device may include chassis type circuitry to determine a type of the chassis. The device may further include mode configuration circuitry to configure the device to use a particular mode appropriate for the type of the chassis.

Abstract: A top case assembly for a portable computer is disclosed. The assembly may include an integral unified (e.g., homogenous) top case formed from a single part. The integral top case provides an enclosure, frame and cosmetic exterior of the portable computer. The integral top case also serves as the primary structure of the portable computer. The assembly may include a variety of subassemblies such as keyboards, touchpads, circuit boards, and drives that are carried by the underside of the integral top case. The integral top case may be formed from aluminum slab that has been machined to form walls, openings, attachment areas and cosmetic areas of the top case.

Abstract: Various apparatuses for use in a wireless network are disclosed. A first apparatus comprises two antennae oriented orthogonally, a biosensor capable of reading a user's fingerprint, and a housing comprising a groove for guiding a user's finger, the groove physically separating the antennae, effectively creating a radome for each antenna. A second apparatus comprises a printed circuit board (PCB) a port, a shell enclosing the PCB, and at least one horseshoe gasket, the shell and gasket creating a waterproof seal isolating the port and the external environment from the rest of the PCB. A third apparatus comprising a bracket for attaching a housing to a building material, an aiming annulus for aiming the housing and the housing. Wherein two or more of the bracket, aiming annulus and housing may be joined in order to mount and aim the housing using one or more structures on the components.

Abstract: An image forming apparatus includes a harness of which one end is connected to an electrical component. Another end of the harness is connected to a second side of a first circuit board with the harness being bent at a bending point when the first circuit board is mounted to a first mounting area, and is connected to a second side of a second circuit board without the harness being bent at the bending point when the second circuit board is mounted to a second mounting area. A first side of the first circuit board and a first side of the second circuit board are positioned at the same position when mounted. A distance between the second side of the first circuit board and the second side of the second circuit board is smaller than a distance between the bending point and the second side of the first circuit board.

Abstract: An electronic component assembly including a fixing part fixable to a first face on a first-direction side of an adherend, an electronic component, and a housing. The adherend has a housing hole opening in the first face. The housing includes a fixed portion fixed to the fixing part and a housing body to house the electronic component. The housing body includes a first portion disposed on a second-direction side relative to the fixing part. The second direction is opposite to the first direction. The first portion of the housing body has a dimension in the second direction that is equal to, or smaller than, a dimension in the second direction of the housing hole of the adherend. The first portion of the housing body is configured to be housed in the housing hole of the adherend.

Abstract: A device may include a connector to connect the device to a chassis. The device may include chassis type circuitry to determine a type of the chassis. The device may further include mode configuration circuitry to configure the device to use a particular mode appropriate for the type of the chassis.

Abstract: A relay includes a relay main body (10) including a base (20) having a first surface (21), and a relay substrate (30) extending, in a direction intersecting the first surface (21), from a second surface (22) on the opposite side of the base (20) from the first surface (21), the relay substrate (30) being united with the base (20), and a case (50) attached to the relay main body (10) to cover the relay substrate (30), and the case (50) being filled with sealant. The relay main body (10) includes a board connector (23) provided on the first surface (21) of the base (20), an electronic component mounting portion (33) provided on the relay substrate (30), a conducting portion (40) provided on respective surfaces of the base (20) and the relay substrate (30), and an electronic component (34) mounted on the electronic component mounting portion (33).

Abstract: Some examples include an expansion card retention device, comprising a retaining arm and a retaining bracket. The retaining arm is rotatably attachable to a chassis and moveable between an open state and a closed state. The retaining arm is postionable along the expansion card and includes an interior face to provide multi-point support along a top edge of the expansion card. The retaining bracket is rotatably coupled to the retaining arm. The retaining bracket pivotable about a first axis at a first end of the retaining arm. The retaining bracket includes a contact surface to engage with an interconnect bracket in the closed state. The retaining arm and retaining bracket are movable together between the open state and the closed state with a single user controlled operation.

Abstract: The present application provides a mobile terminal shell, a preparation method, and a mobile terminal. The mobile terminal shell comprises: a substrate made of metal; an enhanced part provided on at least a part of the surface of one side of the substrate and made of a first material; an antenna slot provided on the substrate and filled with a second material, wherein the strength of the first material is higher than the strength of the second material.

Abstract: A system and method for thinning an integrated circuit (IC) wafer. The system includes a support structure to hold the IC wafer and a mechanism to operate on the IC wafer. The support structure includes one or more inductive coils configured to transmit a power signal to the IC wafer and receive a feedback signal from the IC wafer. The system further includes a process controller to control the operation based at least in part on the feedback signal received from the IC wafer.

Abstract: A device may include a connector to connect the device to a chassis. The device may include chassis type circuitry to determine a type of the chassis. The device may further include mode configuration circuitry to configure the device to use a particular mode appropriate for the type of the chassis.

Abstract: An electronic device includes a board having a mounting surface for an electronic component, a case having an opening for insertion of the board into the case and configured to house the board inserted through the opening, and a cover fixed to the case so as to close the opening. The board also has at least one deformable device formed on an end side of the board and configured to be elastically deformable in a direction orthogonal to the mounting surface. The deformable device comes into contact with the case or the cover in a state of being elastically deformed to hold the board in a fixed state in a storage space formed through fixation of the cover to the case when the board is housed in the storage space.

Abstract: A motor driving device includes: a printed circuit board; a surface mounted component group of multiple surface mounted components surface-mounted on a printed surface of the printed circuit board; a heat-generating component group of multiple heat-generating components that generate an amount of heat equal to or larger than a predetermined amount, the heat-generating component group being provided on the printed surface side of the printed circuit board; a fan configured to blow air to the heat-generating component group to thereby cool the heat-generating components; and a cover configured to block flow of air blown by the fan so that the air blown by the fan will not flow to the surface mounted components.

Abstract: A configurable storage-system drawer may include (1) a chassis, (2) a slide assembly coupled to a side of the chassis that is configured to enable the chassis to be temporarily pulled out of a data-center rack, and (3) a passive drive-plane board housed within the chassis and configured to enable storage-system modules that differ between two or more storage-system configurations of the storage-system drawer to be interchanged. In some examples, the passive drive-plane board may include (1) storage-drive connectors that are each configured to detachably mate with a storage drive, (2) a storage-system-module connector configured to detachably mate with a storage-system module that includes one or more components necessary for one of the two or more storage-system configurations, and (3) electrical interconnects that electrically couple the storage-drive connectors to the storage-system-module connector.

Abstract: An electronic apparatus includes: a first cover having a first face portion that covers a plurality of parts built in the electronic apparatus, and a first peripheral face portion which provides a first portion of an outer peripheral face of the electronic apparatus; a second cover having a second face portion that covers the plurality of parts, and a second peripheral face portion which provides a second portion of the outer peripheral face of the electronic apparatus; a channel defined by a separation between the first cover and the second cover, where the first and second face portions are opposite to one another, a first peripheral edge of the first cover and a second peripheral edge of the second cover oppose one another and do not meet, thereby defining the separation between the first cover and the second cover; and a plurality of air vent holes located through at least one wall surface within the channel.

Abstract: A housing is formed by bending a metal plate including a molded plastic part. The molded plastic part includes a perimeter portion formed along an outer peripheral edge of the metal plate, and a bent part formed in a bending area in which the metal plate is bent. The bent part is provided with a notch formed along the bending area.

Abstract: An electrical connector and a method for fastening the connector to a circuit board has a connecting chamber in which a conductor rail is arranged. The conductor rail is electrically connected at a connecting side of the electrical connector to an electrical connecting part make electrical contact at a contact side with a circuit board. The conductor rail includes a connecting arm for connection with the electrical connecting part and a contact arm for connection with the circuit board. The connecting arm and the contact arm are joined together by a connection arm. The connecting part is displaced in a connecting direction extending parallel to the conductor rail for connection with the conductor rail. The contact arm is designed as a spring in order to press against the circuit board when they are connected. The conductor rail can be positioned in two mutually rotated positions and the electrical connector may have at least two adjacent connecting chambers.

Abstract: Provided is an in-vehicle control device which is able to protect a seal material even when being interposed by a fixing member which is fixed to a vehicle while suppressing the protruding of the seal material toward an inner space. The in-vehicle control device includes a first housing (20), a second housing (30) which is fixed to face the first housing (20), and a seal material (40) which seals the inner space which is disposed between a flange of the first housing (20) and a flange of the second housing (30) and is formed by the first housing (20) and the second housing (30). The first housing (20) includes a shape (22) (bank-shaped portion) which is disposed on a side near an inner space (11) from the seal material (40), faces the flange of the second housing (30), and suppresses the moving of the seal material (40) toward the inner space (11).

Abstract: A heat exchange section includes a first air heat exchanger having three vertical side surfaces through which air passes, the three side surfaces being arranged in a substantially U shape when viewed in plan, and a second air heat exchanger which is formed in a substantially flat plate shape, arranged obliquely to be away from an open surface of the first air heat exchanger toward a top end thereof, and has a single sloping surface through which the air passes.

Abstract: A portable computing device that includes a base portion that carries an audio module and a display housing that carries a display is disclosed. The display housing is coupled with, and rotatable with respect to, the base portion. The display housing includes a magnet, and the base portion includes a magnetic field sensor that detects an external magnetic field of the magnet. The magnetic field sensor provides a signal that deactivates the display. In order to reduce layout changes in the portable computing device, the magnetic field sensor is positioned in an audio housing that carries the audio module. However, the magnetic field sensor is designed and oriented to detect the magnetic field from the magnet in the display housing and effectively ignore magnets associated with the audio module. In order to reduce the amount of electrical connections, the magnetic field sensor is electrically coupled to the audio module.

Abstract: A motor includes a rotor, a stator, a housing, a substrate, a connector, and a cover. The cover includes a covering wall that extends axially downward from a radial outer rim and covers at least a portion of the radial outer rim of the connector, and a cover recess that is radially inward from the covering wall and is depressed axially. The connector includes a connector projection that is provided in a radial outer edge area and extends axially, and the connector projection and the cover recess are fitted together through a gap.

Abstract: Provided is an electronic control device that can reduce a usage amount of an adhesive constituting a seal member, by relieving a stress caused in the seal member disposed in a gap between a first housing part and a second housing part in a high-temperature environment. In an electronic control device including: a component mounting board mounted with an electronic component; and a first housing part and a second housing part that are fixed to each other via a seal member and define a first space that accommodates the component mounting board, at least one predetermined housing part of the first or second housing part has a recess formed on a surface facing the seal member, and a second space is formed between the recess and the seal member.

Abstract: An electronic device module includes a substrate, a first component disposed on a first surface of the substrate, a second component disposed on the first surface of the substrate, a first sealing portion to seal the first component, a second sealing portion to seal the second component, a shielding wall disposed between the first component and the second component. The shielding wall includes a bobbin disposed between the first sealing portion and the second sealing portion and a conductive portion to seal the bobbin. A shielding layer of a conductive material is disposed along a surface formed by the first sealing portion, the second sealing portion, and the shielding wall.