Abstract: A nanocrystal scintillator that contains a thin-film layer of perovskite-based quantum dots coated on a substrate layer. The quantum dots each have a formula of CsPbXaY3-a, CH3NH3PbX3, or NH2CH?NH2PbX3, in which each of X and Y, independently, is Cl, Br, or I, and a is 0-3. The substrate layer is an aluminum substrate, a fluoropolymer substrate, a fiber optic plate, a ceramic substrate, or a rubber substrate. Also disclosed are an ionizing radiation detector and an ionizing radiation imaging system containing such a nanocrystal scintillator.

Abstract: Disclosed are a substrate carrying manipulator and a substrate carrying device. The substrate carrying manipulator includes: a bearing frame, having a bearing surface; grabbing assemblies installed on the bearing frame and configured to cooperate with a non-display region of a substrate; and anti-contact assemblies configured to at least provide a gas repulsive force in a direction from the bearing surface to the substrate for a display region of the substrate.

Abstract: A terminal module includes a number of conductive terminals and an insulating frame. The conductive terminal includes a contact portion, a connection portion and a transition portion connected to the contact portion. The conductive terminals include differential signal terminals, a first ground terminal and a second ground terminal. The contact portions of the differential signal terminals and the connection portions of the differential signal terminals are provided separately. As a result, the structure of the contact portions and the connection portions are simplified for easy manufacturing. The disclosure also discloses a backplane connector having the terminal module.

Abstract: An electrical connector, comprising an insulating housing, a housing electromagnetic shielding member, and a plurality of terminal modules. The insulating housing comprises a first surface, a second surface, a plurality of terminal plugging hole groups, and a plurality of shield accommodating grooves. The first surface is opposite to the second surface. The plurality of terminal plugging hole groups are arranged at intervals. Each of the terminal plugging hole groups comprises a plurality of ground terminal plugging holes and a plurality of signal terminal plugging holes penetrating the first surface and the second surface. Each of the shield accommodating grooves is formed on the second surface and is disposed on one side of the corresponding terminal plugging hole group. The housing electromagnetic shielding member is embedded on the second surface and comprises a plurality of connecting bumps. Each of the terminal modules comprises a terminal electromagnetic shielding member.

Abstract: A backplane connector includes a wafer. The wafer includes a number of conductive terminals, an insulating frame, a first metal shield and a second metal shield located on opposite sides of the insulating frame. The insulating frame includes a number of first posts and a number of second posts. The first metal shield has a number of first mounting holes to receive the first posts. The second metal shield has a number of second mounting holes to receive the second posts. With this arrangement, the first metal shield and the second metal shield can be easily positioned with the insulating frame.

Abstract: A backplane connector includes a number of conductive terminals, an insulating frame, a first metal shield and a second metal shield. The first metal shield and the second metal shield respectively include a first extension portion and a second extension portion. The conductive terminals include differential signal terminals, a first ground terminal and a second ground terminal. The first extension portion and the second extension portion in contact with the first ground terminal and the second ground terminal. As a result, a shielding space to enclose contact portions of the differential signal terminals is formed. This arrangement can provide better shielding for the differential signal terminals, reduce crosstalk, and improve the quality of signal transmission.

Abstract: A backplane connector includes a housing, a number of terminal modules assembled to the housing, and a metal shield surrounding member. The housing includes a base, a first side wall and a second side wall. The base, the first side wall and the second side wall jointly form a receiving space for at least partially receiving a mating connector. The terminal module includes a first signal terminal, a second signal terminal and an insulating block fixed on the first signal terminal and the second signal terminal. The metal shield surrounding member at least partially surrounds the periphery of the first signal terminal and the second signal terminal. As a result, the shielding effect of the backplane connector is improved.

Abstract: A terminal module includes a number of conductive terminals. The conductive terminals include a first signal terminal and a second signal terminal. A contact portion of the first signal terminal includes a first contact arm, a second contact arm and a first clamping space. The first contact arm includes a first contact end portion and a first contact arm body portion connected with the first contact end portion. The first contact arm body portion includes a first end connected to the first contact end portion and a second end opposite to the first end. From the first end to the second end, a width of the first contact arm body portion gradually increases. As a result, it is beneficial to improve the contact impedance when it is mated with a mating backplane connector. The present disclosure also discloses a backplane connector having the terminal module.

Abstract: A shielding shell used to at least partially surround signal terminals includes a first side wall, a second side wall and a third side wall. The second side wall connects the first side wall and the third side wall. The first side wall and the third side wall are disposed face to face. An end of at least one of the first side wall, the second side wall and the third side wall includes a deflection portion bent inwardly. The deflection portion is used to guide insertion of the shielding shell into a mating connector. As a result, a better shielding effect on the signal terminals can be provided. Besides, it is easy to guide insertion of the shielding shell into the mating connector.

Abstract: A backplane connector includes a number of conductive terminals, an insulating frame, a first metal shield and a second metal shield. Each conductive terminal includes a connection portion and a contact portion. The conductive terminals include differential signal terminals, a first ground terminal and a second ground terminal. The first metal shield has a first elastic arm and a second elastic arm. The second metal shield has a third elastic arm and a fourth elastic arm. The first elastic arm and the third elastic arm are in contact with two opposite side surfaces of the contact portion of the first ground terminal. The second elastic arm and the fourth elastic arm are in contact with two opposite side surfaces of the contact portion of the second ground terminal. This arrangement increases the grounding shielding area, reduces crosstalk, and improves the quality of signal transmission.

Abstract: A circuit board includes two first insertion holes, a second insertion hole located on one side of the two first insertion holes, a third insertion hole located on the other side of the two first insertion holes, and a number of grounding points. The grounding points are distributed on a periphery of the first insertion holes. The grounding points, the second insertion hole and the third insertion hole together form a shielding layer surrounding the periphery of the first insertion holes. The present disclosure also relates to a backplane connector assembly having a backplane connector and the circuit board. Compared with the prior art, the circuit board disclosed in the present disclosure improves the shielding effect of differential signal terminals, reduces crosstalk and improves the quality of signal transmission.

Abstract: A backplane connector includes a housing, a number of terminal modules, a metal shielding surrounding portion and a mounting block. The housing includes a base, a receiving groove and a number of insulating protrusions integrally extending from the base. The terminal module includes a first signal terminal and a second signal terminal. The first signal terminal has a first mounting foot. The second signal terminal has a second mounting foot. The metal shield surrounding member includes a first tail portion, a second tail portion and a hollow portion sleeved on the insulating protrusion. The mounting block is received in the receiving groove. As a result, the shielding effect of the backplane connector is improved.

Abstract: A backplane connector includes a housing, a number of terminal modules assembled to the housing, and a mounting block. The housing includes a base, a first side wall and a second side wall. Each terminal module includes a first signal terminal and a second signal terminal. The first signal terminal has a first mounting foot, and the second signal terminal has a second mounting foot. The housing includes a receiving groove at a bottom end of the base. The mounting block is received in the receiving groove. The mounting block is made of electroplated plastic. The mounting block has an opening for the first mounting foot and the second mounting foot to extend through. As a result, the backplane connector has a better shielding effect.