Abstract: A method of determining the reliability of a high-voltage PMOS (HVPMOS) device includes determining a bulk resistance of the HVPMOS device, and evaluating the reliability of the HVPMOS device based on the bulk resistance.

Abstract: A semiconductor structure includes a first gate structure, a second gate structure coupled to the first gate structure, a source region, a first drain region, and a second drain region. The source region is surrounded by the first gate structure and the second gate structure. The first drain region is separated from the source region by the first gate structure. The second drain region is separated from the source region by the second gat structure. A shape of the first drain region and a shape of the second drain region are different from each other from a plan view.

Abstract: A protection mechanism used for in an electronic device includes a main body and two pivoting members. The main body is capable of receiving and protecting the electronic device, and the pivoting members are rotatably positioned on the main body. The pivoting members are capable of locking and protecting the electronic device. An electronic device employing the protection mechanism is also described. The protection mechanism can simply secure and unlock the electronic device through the pivoting members, which is easy to operate. Moreover, the electronic device can not fall from the protection mechanism because of the cooperation between the pivoting members and the holding member.

Abstract: A portable electronic device includes a main body, a slidable cover, a display panel, a sensor, and a controlling module. The slidable cover is slidably positioned on the main body. The display panel is positioned on the slidable cover. The sensor is configured to detect a position of the slidable cover relative to the main body. The controlling module is configured to output icons and data to the display panel, and to adjust an area of each icon displayed on the display panel according to a position, detected by the sensor, of the slidable cover relative to the main body.

Abstract: A chip card holder, for securing a chip card in an electronic device, includes a housing and a locking member, the housing defines an assembling recess for receiving a chip card, the assembling recess has a slant wall defining a through cutout; the housing defines a latching hole in line with the cutout. The locking member forms a protrusion. when a chip card is disposed in the assembling recess, the locking member passes through the cutout and presses the chip card, the protrusion of the locking member is latched into the latching hole, the chip card is secured by the locking member.

Abstract: A protection mechanism used for in an electronic device includes a main body and two pivoting members. The main body is capable of receiving and protecting the electronic device, and the pivoting members are rotatably positioned on the main body. The pivoting members are capable of locking and protecting the electronic device. An electronic device employing the protection mechanism is also described. The protection mechanism can simply secure and unlock the electronic device through the pivoting members, which is easy to operate. Moreover, the electronic device can not fall from the protection mechanism because of the cooperation between the pivoting members and the holding member.

Abstract: A foldable electronic device (100) includes a cover (10) having a side barrel (132) and a main body (20) rotatably connected to the cover. The main body includes a body shell (21) accommodating a plurality of electronic components therein, a central barrel (244) formed at one end of the body shell, and an antenna seat (23) attached to an opposite end of the body shell. The side barrel of the cover is located adjacent to the central barrel of the main body.

Abstract: A portable electronic device comprises a main body, a sliding cover slidably mounted on the main body, a flipping cover rotatably mounted on one end of the main body, and a transmission mechanism connecting the flipping cover to the sliding cover such that when the flipping cover rotates relative to the main body, the sliding cover slides relative to the main body.

Abstract: A latching mechanism of a battery cover assembly (100) is provided. The battery cover assembly includes a battery cover (20) and a housing (10). The latching mechanism includes a limiting mechanism, a hinged mechanism, at least one latching portion (133), and at least one latching arm (28). The limiting mechanism is configured to prevent the battery cover from accidentally detaching from the housing. The hinged mechanism is configured to facilitate both rotation and sliding of the battery cover relative to the housing. Each latching portion is formed on the housing, and each latching arm is formed on the battery cover. The latching arm elastically engages with a respective latching portion in such manner that the battery cover is latched to the housing.

Abstract: A chip card catching mechanism installed in a body of a portable electronic device for receiving and securing a chip card is provided. The chip card catching mechanism includes a base, a housing, and a hatch. The base includes a connector arranged thereon for electrically connecting to the chip card. The housing includes a top cover and a circumferential wall extending from edges of the top cover. The top cover is arranged over the connector of the base with the wall therebetween and a hatchway is defined on the circumferential wall. The hatch is rotatably fixed to on two sides of the hatchway for exposing or hiding the hatchway. Further, a portable electronic device using the chip card catching mechanism is also provided.

Abstract: A chip card holder, for securing a chip card in an electronic device, includes a housing and a locking member, the housing defines an assembling recess for receiving a chip card, the assembling recess has a slant wall defining a through cutout; the housing defines a latching hole in line with the cutout. The locking member forms a protrusion. when a chip card is disposed in the assembling recess, the locking member passes through the cutout and presses the chip card, the protrusion of the locking member is latched into the latching hole, the chip card is secured by the locking member.

Abstract: A portable electronic device includes a main body, a slidable cover, a display panel, a sensor, and a controlling module. The slidable cover is slidably positioned on the main body. The display panel is positioned on the slidable cover. The sensor is configured to detect a position of the slidable cover relative to the main body. The controlling module is configured to output icons and data to the display panel, and to adjust an area of each icon displayed on the display panel according to a position, detected by the sensor, of the slidable cover relative to the main body.

Abstract: A latch for a housing includes a first housing, a second housing, and a latching member to latch the first housing and the second housing, the first housing has a first aperture having two aperture sections therein. The second housing has a second aperture corresponding to the first aperture. The latching member includes a latching portion, the first housing engages with the second housing, the first aperture aligns with the second aperture, the latching portion passes through the first aperture and the second aperture and slides from an aperture section into another aperture section to fix the first housing and the second housing.

Abstract: A portable electronic device comprises a main body, a sliding cover slidably mounted on the main body, a flipping cover rotatably mounted on one end of the main body, and a transmission mechanism connecting the flipping cover to the sliding cover such that when the flipping cover rotates relative to the main body, the sliding cover slides relative to the main body.

Abstract: A portable electronic device (100) includes an upper housing (40), a circuit board (10), a display (12), a battery (14), and a lower housing (20). The upper housing defines a display section (424) therein. The circuit board has a top surface (11) and a bottom surface (13) at an opposite side of the top surface. The display is seen outwardly through the display section. The battery and the display are formed adjacent to each other on the top surface of the circuit board. The circuit board, the battery and the display are placed in-between the lower housing and the upper housing. The upper housing is detachably mounted to the lower housing for detachably holding the battery.

Abstract: A chip card catching mechanism installed in a body of a portable electronic device for receiving and securing a chip card is provided. The chip card catching mechanism includes a base, a housing, and a hatch. The base includes a connector arranged thereon for electrically connecting to the chip card. The housing includes a top cover and a circumferential wall extending from edges of the top cover. The top cover is arranged over the connector of the base with the wall therebetween and a hatchway is defined on the circumferential wall. The hatch is rotatably fixed to on two sides of the hatchway for exposing or hiding the hatchway. Further, a portable electronic device using the chip card catching mechanism is also provided.

Abstract: A foldable electronic device (100) includes a cover (10) having a side barrel (132) and a main body (20) rotatably connected to the cover. The main body includes a body shell (21) accommodating a plurality of electronic components therein, a central barrel (244) formed at one end of the body shell, and an antenna seat (23) attached to an opposite end of the body shell. The side barrel of the cover is located adjacent to the central barrel of the main body.

Abstract: A portable electronic device (100) includes an upper housing (40), a circuit board (10), a display (12), a battery (14), and a lower housing (20). The upper housing defines a display section (424) therein. The circuit board has a top surface (11) and a bottom surface (13) at an opposite side of the top surface. The display is seen outwardly through the display section. The battery and the display are formed adjacent to each other on the top surface of the circuit board. The circuit board, the battery and the display are placed in-between the lower housing and the upper housing. The upper housing is detachably mounted to the lower housing for detachably holding the battery.

Abstract: A latching mechanism of a battery cover assembly (100) is provided. The battery cover assembly includes a battery cover (20) and a housing (10). The latching mechanism includes a limiting mechanism, a hinged mechanism, at least one latching portion (133), and at least one latching arm (28). The limiting mechanism is configured to prevent the battery cover from accidentally detaching from the housing. The hinged mechanism is configured to facilitate both rotation and sliding of the battery cover relative to the housing. Each latching portion is formed on the housing, and each latching arm is formed on the battery cover. The latching arm elastically engages with a respective latching portion in such manner that the battery cover is latched to the housing.