Foxconn Technology Co., Ltd.

Hon Hai Precision Industry Co., Ltd.

Tsinghua University

Hsien-Sheng Pei

Ching-Hsing Huang

Wun-Chang Shih

Chien-Long Hong

Chang-Shen Chang

Huan-Chao Lin

Juei-Khai Liu

Chao-Hao Wang

Tsung-Lung Yang

Kai-Li Jiang

Yuan Yao

Wei-Ben Wang

Yun-Hsin Kevin Liao

Shou-Shan Fan

Chang-Hong Liu

Cheng-Fang Hsiao

Fong-Tan Yu

Hsiang-Ho Huang

Chiung-Mei Wang

Chin-Jung Chen

An exemplary heat pipe includes an elongated casing, a wick, an artery mesh, and working medium filled in the casing. The casing includes an evaporating section and a condensing section. The wick is disposed within an inner wall of the evaporating section of the casing. The artery mesh includes a large portion, and a small portion with an outer diameter smaller than that of the large portion. The small portion is located within and in direct physical contact with an inner surface of the wick. The large portion is in direct physical contact with an inner wall of the condensing section of the casing. The working medium saturates the wick and the artery mesh.

Heat pipe with composite wick structure

A method for fabricating a carbon nanotube yarn includes providing a plurality of carbon nanotube arrays; pulling out, by using a tool, a first carbon nanotube structure from one of the carbon nanotube arrays; pulling out a subsequent carbon nanotube structure from another one of the carbon nanotube arrays; joining a leading end of the subsequent carbon nanotube structure to a trailing portion of the carbon nanotube structure already formed by contacting the leading end of the subsequent carbon nanotube structure with the trailing portion of the already-formed carbon nanotube structure, with the contact occurring along a common lengthwise direction of the two carbon nanotube structures, thereby forming a lengthened carbon nanotube structure; repeating the pulling and the joining until the lengthened carbon nanotube structure has a desired length; and treating the lengthened carbon nanotube structure with an organic solvent.

Method for fabricating carbon nanotube yarn

A method for making a thermal interface material includes the steps of: (a) providing an array of carbon nanotubes formed on a substrate, the carbon nanotubes having interfaces defined therebetween; (b) providing a transferring device and disposing at least one low melting point metallic material above the array of carbon nanotubes, using the transferring device; and (c) heating the low melting point metallic material and the array of carbon nanotube to a certain temperature to make the at least one low melting point metallic material melt, then flow into the interspaces between the carbon nanotubes, and combine (e.g., mechanically) with the array of carbon nanotubes to acquire a carbon-nanotube-based thermal interface material.

Method for making thermal interface material

A heat pipe includes an elongated casing (), a wick (), at least one artery mesh (), and working medium filling in the casing. The casing has an evaporating section () and a condensing section (). The wick is disposed on an inner wall of the evaporating section. The at least one artery mesh includes a large portion () and a small portion () with an outer diameter smaller than that of the large portion. The small portion is located within and contacts with the wick, and the large portion contacts with the inner wall of the condensing section of the casing. The working medium saturates the wick and the at least one artery mesh.

A speaker set () includes an enclosure () extending two spaced supporting portions () from a bottom side thereof for contacting with a supporting member (); a woofer (), two mid-frequency speakers (), and two tweeters () are disposed in the enclosure; a circuitry electrically connects with the woofer, the mid-frequency speakers, and the tweeters; two woofer chambers () are disposed at two opposite sides of a diaphragm of the woofer. One of the woofer chambers is defined between the bottom side of the enclosure, the supporting portions of the enclosure and the supporting member, whilst the other one of the woofer chambers is defined in the enclosure. Sound generated by the woofer emanates to a surrounding environment through both the woofer chambers, wherein the enclosure defines a plurality of venting holes () communicating with the other one of the woofer chambers.

Speaker set with acoustically vented enclosures

A fluid dynamic bearing includes a bearing member () axially defining an inner bearing hole therein, and a spindle shaft () rotatably received in the bearing hole with a bearing clearance formed between an inner periphery of the bearing member and an outer periphery of the spindle shaft. Lubricant is filled in the bearing clearance. One of the inner periphery and the outer periphery comprises a bearing surface () with channels formed therein. The channels form a plurality of outer communication ends () at opposite sides of the bearing surface in the axial direction of the bearing member.

Fluid dynamic bearing

A heat spreader includes a bottom wall () and a cover () hermetically connected to the bottom wall. Cooperatively the bottom wall and the cover define a space () therebetween for receiving a working fluid therein. A wick structure () is received in the space and thermally interconnects the bottom wall and the cover. The wick structure includes at least a carbon nanotube array, which can conduct heat from the bottom wall to the cover and draw condensed liquid of the working fluid from the cover toward the bottom wall.

Heat spreader with vapor chamber defined therein

An electronic product () includes a casing () containing a speaker set () therein. The speaker set includes a hollow shell () and a loudspeaker (). The loudspeaker is accommodated in the shell, dividing an inner space of the shell into a first resonance chamber () and a second resonance chamber (). The loudspeaker includes first tone holes () communicating with the first resonance chamber and second tone holes () communicating with the second resonance chamber. The first resonance chamber communicates with the second resonance chamber via at least an inverted tube ().

Speaker set and electronic product incorporating the same

A speaker set () for an electronic product () includes a hollow shell (), and a loudspeaker () accommodated in the shell. The shell includes at least a spacing plate () which divides an inner space of the shell into a first resonance chamber () and a second resonance chamber (). The loudspeaker includes first tone holes () communicating with the first resonance chamber and second tone holes () communicating with the second resonance chamber. The second resonance chamber communicates with the first resonance chamber via at least an inverted hole () defined in the at least a spacing plate. The first resonance chamber communicates with a surrounding environment so that sound emitted from the first and second tone holes of the loudspeaker can be transferred to the surrounding environment.

Speaker set for electronic product

A mobile phone () includes a casing () containing a printed circuit board () and an antenna () therein; and a speaker set () is disposed between the printed circuit board and the antenna. The speaker set includes a hollow shell () including a first chamber (), a second chamber () and a third chamber () isolated from the second chamber, and a loudspeaker () accommodated in first chamber of the shell and dividing the first chamber into a front chamber () and a rear chamber (). The front chamber communicates with the second chamber, whilst the rear chamber communicates with the third chamber.

Speaker set and mobile phone incorporating the same

An LED lamp cooling apparatus () includes a substrate (), a plurality of LEDs () electrically connected with the substrate, a heat sink () for dissipation of heat generated by the LEDs and a pulsating heat pipe () thermally connected with the heat sink. The pulsating heat pipe includes a plurality of heat receiving portions () and a plurality of heat radiating portions (), and contains a working fluid () therein. The substrate is attached to the heat receiving portions of the pulsating heat pipe and the heat sink is attached to the heat radiating portions of the pulsating heat pipe. The heat generated by the LEDs is transferred from the heat receiving portions to the heat radiating portions of the pulsating heat pipe through pulsation or oscillation of the working fluid in the pulsating heat pipe.

LED lamp cooling apparatus with pulsating heat pipe

A light-emitting diode (LED) assembly includes a circuit board (), at least one LED () being electrically connected with and being arranged on a side of the circuit board, and a heat dissipation apparatus () being arranged on an opposite side of the circuit board. The circuit board defines at least one through hole () corresponding to a position of the at least one LED. Thermal interface material () is filled in the at least one hole of the circuit board to thermally interconnect the at least one LED and the heat dissipation apparatus. The thermal interface material is a composition of nano-material and macromolecular material.

Light-emitting diode assembly

A hydrodynamic bearing assembly () includes a bearing sleeve () defining a receiving chamber () therein, a bearing () received in the receiving chamber of the bearing sleeve, a sealing cover () mounted to an open end () of the bearing sleeve and including an enlarged section () adjacent to the bearing, a shaft () extending through the sealing cover and rotatably disposed in the bearing, on which a plurality lubricant pressure generating grooves are defined, and a lubricant retaining space () defined by the enlarged section of the sealing cover, an end of the bearing and the shaft for receiving lubricant therein. One of the sealing cover and the shaft defines a groove () therein, while the other one of the sealing cover and the shaft extends a flange () into the groove.

Hydrodynamic bearing assembly

A liquid pump () includes a top cover (), a back plate (), and a spacing member (). The spacing member is sandwiched between the top cover and the back plate, thereby dividing an interior of the liquid pump into a fluid chamber () and a receiving cavity () isolated and hermetical from the fluid chamber. The fluid chamber is disposed between the top cover and the spacing member for receiving therein a fluid dynamic bearing () and a rotor () which drives working fluid to enter and leave the liquid pump. The receiving cavity is disposed between the spacing member and the back plate for receiving therein a stator () which drives the rotor to rotate in respective to the bearing.

Liquid pump

A motor structure with a built-in lens includes a lens mount (), a motor () received in the lens mount, and a lens unit () received in the lens mount. The lens unit is drove by the motor to telescopically move along an axial thereof when a rotor () of the motor is rotated. A guiding member () arranged on an end of the motor for preventing an axial movement of the motor. The guiding member includes at least a leg () extending along an axial direction therefrom for guiding the axial movement of the lens unit.

Growing community of inventors

Taipei Hsien, Taiwan

Hsien-Sheng Pei