Abstract: A mounting assembly includes a circuit board, a securing member and a heat dissipating device. A retainer is located on the circuit board. The securing member includes a positioning portion and a claw connected to the positioning portion. The heat dissipating device includes a base attached to the circuit board and a number of fins perpendicularly located on the base. The number of fins defines a number of first air paths and a number of second air paths substantially perpendicular to the number of first air paths. The positioning portion is received in at least one of the number of first air paths and at least one of the number of second air paths, and the claw is engaged with the retainer.

Abstract: A heat dissipating apparatus includes a base and a heat pipe. A plurality of fins partially overlaps the base; the heat pipe comprising a first body, a second body and a third body, the second body connected between the first body and the third body; the first body is secured between the plurality of fins and the base, the third body is secured to the plurality of fins, and the second body is located in a first corner between the base and the plurality of fins.

Abstract: A computer system includes a chassis, a motherboard, a heat sink and an airflow guiding duct. The chassis includes a chassis bottom wall, a first chassis sidewall, and a second chassis sidewall. The first chassis sidewall defines a first ventilation hole. The second chassis sidewall defines a second ventilation hole. The motherboard with a chip is secured to the chassis bottom wall. The heat sink is secured to the motherboard for cooling the chip. The airflow guiding duct is configured to guide airflow flowing from the second ventilation to the first ventilation hole. A fan is received inside the airflow guiding duct.

Abstract: A computer system includes a chassis, a motherboard, a heat sink and an airflow guiding duct. The chassis includes a chassis bottom wall, a first chassis sidewall, and a second chassis sidewall. The first chassis sidewall defines a first ventilation hole. The second chassis sidewall defines a second ventilation hole. The motherboard with a chip is secured to the chassis bottom wall. The heat sink is secured to the motherboard for cooling the chip. The airflow guiding duct is configured to guide airflow flowing from the second ventilation to the first ventilation hole. A fan is received inside the airflow guiding duct.

Abstract: A MEMS microphone package is disclosed. The MEMS microphone package comprises a housing, a MEMS die and an ASIC chip. The housing includes a base, a sidewall extending from the base, and a cover supported by the sidewall for forming a receiving space. The housing defines an acoustic hole for receiving external sound waves. The MEMS die is accommodated in the housing and the MEMS die defines a plurality of first conductive pads. The ASIC chip is accommodated in the housing and the ASIC chip defines a plurality of second conductive pads.

Abstract: A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity, at least one transducer accommodated in the cavity, and a conductive case covering the cover and the sidewall of the housing. The housing includes a cover and a sidewall extending from the base. The conductive case defines a first part covering the cover, a second part extending from the first part for covering the sidewall and a third part perpendicularly extending from the second part for covering a periphery part of the base, the third part forming an opening.

Abstract: A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity. The housing includes a base and a sidewall extending perpendicularly from the base. A conductive case is provided to cover the cover and the sidewall of the housing. The base defines a periphery portion outside of the cavity for forming a step, and the conductive case locates a bottom end thereof on the step.

Abstract: A method for controlling a fan speed is disclosed. The fan cools a CPU in a computer. The method includes defining a CPU-max-temp value of a CPU, such that the first fan speed is linearly enhanced with the increase of a real temperature value of the CPU, when the real temperature value of the CPU is lower than the CPU-max-temp value, and changing the CPU-max-temp value to a higher CPU-max-temp value in a basic input output system. A second fan speed is linearly enhanced with an increase of the real temperature value, when the real temperature value is lower than the higher CPU-max-temp value. The second fan speed is less than the first fan speed at the real temperature value.

Abstract: A silicon based capacitive microphone includes a first printed circuit board, a second printed circuit board far away from the first printed circuit board, a transducer electrically mounted on the first printed circuit board, a controlling chip electrically mounted on the second printed circuit board, a connecting member located between the first and second printed circuit boards.

Abstract: A heat sink assembly includes an air duct, a heat sink and a fan. The air duct defines an air guiding channel therein. The heat sink is configured to contact a heat source to dissipate heat from a heat source. The heat sink includes a plurality of heat pipes. The heat sink is placed on one side of the air guiding channel, and the heat pipes contacts the air duct to transmit heat to the air duct. The fan is placed on the other side of the air guiding channel to communicate with the heat sink via the air duct. The fan forces air to flow through the air guiding channel to the heat sink to dissipate heat on the air duct and the heat sink.

Abstract: A computer enclosure includes a chassis, a heat dissipation fan, a first duct, and a second duct. The chassis includes a bottom panel with a heat generating component and a side panel a vent defined therein. The first duct is attached between a first side of the fan and the vent of the chassis. The second duct is attached to a second side of the fan and covers the heat generating component. The second duct includes a resilient latch structure latchably secured to the second side of the fan.

Abstract: A network device for accelerating internet small computer systems interface (iSCSI) packet processing is described, which includes a host and a network card. The host includes an online command descriptor block queue, an iSCSI host manager, and an SCSI module. SCSI commands in a CDB are processed through these modules. The network card includes an LLP module and a microprocessor. Through a protocol data unit descriptor, a PDU generator and an iSCSI network card manager in the microprocessor, protocol data units in network packets can be resolved in advance, so that the host can concentrate on executing SCSI commands, thereby accelerating the network packet processing efficiency of the network device.

Abstract: A heat sink apparatus for dissipating heat generated from a heat generating component includes a first heat dissipating assembly attached to one side of the heat generating component, a second heat dissipating assembly attached to another side of the heat generating component; and a connecting device connecting between the first heat dissipating assembly and the second heat dissipating assembly thereby forming a continuous heat dissipation passage between the first heat dissipating assembly and the second heat dissipating assembly.

Abstract: A silicon condenser microphone package includes a printed circuit board, a cover mounted on the printed circuit board, and a transducer unit and a controlling circuit both attached to the printed circuit board. An inner board is located in the cover. The sensitivity and frequency response of the silicon condenser microphone package is desirable.

Abstract: An assembly includes a circuit board and a heat sink apparatus attached to the motherboard. The heat sink apparatus has at least two screws, and a first mistake-proof structure. A plurality of screw holes are defined in the circuit board corresponding to the screws. The circuit board has a second mistake-proof structure corresponding to the first mistake-proof structure. The first mistake-proof structure engages with the second mistake-proof structure to align the heat sink apparatus to the circuit board in only one configuration.

Abstract: A computer enclosure includes a chassis, a heat dissipation fan, a first duct, and a second duct. The chassis includes a bottom panel with a heat generating component and a side panel a vent defined therein. The first duct is attached between a first side of the fan and the vent of the chassis. The second duct is attached to a second side of the fan and covers the heat generating component. The second duct includes a resilient latch structure latchably securied to the second side of the fan.

Abstract: A heat sink assembly includes an air duct, a heat sink and a fan. The air duct defines an air guiding channel therein. The heat sink is configured to contact a heat source to dissipate heat from a heat source. The heat sink includes a plurality of heat pipes. The heat sink is placed on one side of the air guiding channel, and the heat pipes contacts the air duct to transmit heat to the air duct. The fan is placed on the other side of the air guiding channel to communicate with the heat sink via the air duct. The fan forces air to flow through the air guiding channel to the heat sink to dissipate heat on the air duct and the heat sink.

Abstract: An electronic device includes a first heat source, a second heat source adjacent to the first heat source, a heat sink, and a fan. The heat sink is mounted on the first heat source for transferring heat from the first heat source to the heat sink. The fan has an air inlet and an air outlet. The air outlet faces the second heat source to drive air flowing through the second heat source if the air inlet faces the heat sink. The air outlet faces the heat sink to drive air flowing through the heat sink if the air inlet faces the second heat source.

Abstract: A heat sink apparatus for dissipating heat generated from a heat generating component includes a first heat dissipating assembly attached to one side of the heat generating component, a second heat dissipating assembly attached to another side of the heat generating component; and a connecting device connecting between the first heat dissipating assembly and the second heat dissipating assembly thereby forming a continuous heat dissipation passage between the first heat dissipating assembly and the second heat dissipating assembly.

Abstract: A heat sink assembly includes a base and a mounting apparatus. The base defines a stepped hole. A step is formed in the stepped hole. A cutout is defined on an edge of the base and communicates with the stepped hole. The mounting apparatus includes a bolt and a spring. The bolt defines a groove at a portion of the bolt to form an engaging portion thereof. The engaging portion passes through the cutout. The step engages in the groove of the bolt. The spring is retained around the bolt, received in the stepped hole, and abuts against the step to retain the bolt in the stepped hole.