摘要:
A connector capable of being connected to a printed circuit board (PCB) is provided. A female connector according to an embodiment of the present invention includes a core conductor, a body, and a housing. The core conductor is formed of a single body including a contact terminal formed of two or more insertion panels forming an insertion space where a signal pin of a male connector is inserted and a signal transmission panel connected to a bottom of the contact terminal and electrically connected a signal line of the PCB. The body includes an insertion part electrically insulated from the core conductor and gaping when coupling with the male connector and is formed in a single body including a trunk surrounding the contact terminal and a plurality of supporters connected to a bottom of the trunk. The housing stores the core conductor and the bottom of the trunk of the body or more.
摘要:
The present invention provides an optical film and a retardation film that each include an acryl resin, and 20 to 65 parts by weight of a graft copolymer including a conjugated diene rubber based on 100 parts by weight of the acryl resin, and an electronic device including the same.
摘要:
Provided are a chip, a chip stack, and a method of manufacturing the same. A plurality of chips which each include: at least one pad formed on a wafer; and a metal layer which protrudes up to a predetermined thickness from the bottom of the wafer and is formed in a via hole exposing the bottom of the pad are stacked such that the pad and the metal layer of adjacent chips are bonded. This leads to a simplified manufacturing process, high chip performance and a small footprint for a chip stack.
摘要:
A method of manufacturing a metal line according to embodiments includes forming an interlayer dielectric layer over a semiconductor substrate. A dielectric layer is formed over the interlayer dielectric layer. A trench may be formed by etching the dielectric layer and the interlayer dielectric layer. A metal material may be disposed over the interlayer dielectric layer including the trench. A first planarization process may be performed on the metal material using the dielectric layer as an etch stop layer. A wet etch process may be performed on the semiconductor substrate subjected the first planarization process. A second planarization process may be performed on interlayer dielectric layer subjected to the wet etch process.
摘要:
The present invention is directed to an ultrasound system, which includes a probe to transmit ultrasound signals to a target object and receive ultrasound echo signals from the target object. The probe has an array transducer having multiple transducer elements for generating the ultrasound signals and converting the ultrasound echo signals into electrical signals; and an input unit to receive a swing speed input and form setup information according to the swing speed input. The ultrasound system further includes a body to form an ultrasound image based on the electric signals. The body includes a control unit for generating a control signal in response to the setup information. The probe further has an operation unit to swing the array transducer at a swing speed indicated by the control signal.
摘要:
A multifunctional handler system for electrical testing of semiconductor devices is provided. The multifunctional handler system comprises: (1) a semiconductor device processing section comprising a loading unit including a buffer, a sorting unit including a separate marking machine, and a unloading unit; (2) a semiconductor device testing section, separate from the semiconductor device processing section, comprises a test chamber, the test chamber is separated into two or more test spaces, and the test spaces of the test chamber include a second chamber positioned at a lower position, a first chamber positioned above the second chamber, and pipelines for connecting the first and second chambers to each other; and (3) a host computer which is independently connected to the semiconductor device processing section and the semiconductor device testing section and controls tray information, test results, marking information, and test program information.
摘要:
A small-sized on-chip complementary metal-oxide semiconductor (CMOS) Power Amplifier having improved efficiency is provided herein. The on-chip CMOS power amplifier is capable of improving efficiency and maximizing output thereof by enhancing a K factor, which may cause a problem in a power amplifier having a distributed active transformer structure. The on-chip CMOS power amplifier having an improved efficiency and being fabricated in a small size, the on-chip CMOS power amplifier includes a primary winding located at a first layer, secondary windings located at a second layer, which is an upper part of the first layer, the secondary windings being located corresponding to a position of the primary winding, and a cross section for coupling the second windings with each other.
摘要:
A display apparatus comprising a display unit and a plurality of light emitting diodes (LEDs) provided in a backlight that illuminates the display unit, the display apparatus includes: a power supplier; a current detector which detects a value of a current flowing in each of the LEDs; a current adjusting unit which compares a target current value which is supplied to the LED with a current value detected by the current detector and controls the value of the current flowing in the LED; and a controller which determines the target current value based on grayscale information of a video signal which is displayed on the display unit, provides the target current value to the current adjusting unit, and provides a virtual target current value that is higher than the target current value to the current adjusting unit for a predetermined time period if the target current value is determined.
摘要:
A Light Emitting Diode (LED) lighting device capable of correcting changes in a wavelength of light output from an LED element caused by changes in temperature, and a method for controlling the same are provided. The lighting device includes a temperature-current converter which generates a current command value to correct change in a wavelength of output light based on temperature information indicating temperature of the light source, and a light source driver which receives the current command value, adjusts amplitude of a pulse width modulation (PWM) signal, and controls a driving electric current of the light source according to the adjusted PWM signal.
摘要:
Disclosed is a nano grinding mill including a lower turntable with a disc plate mounted on the lower portion thereof, and upper and intermediate plates disposed above the lower turntable, each of the upper and intermediate plates having several tens to several thousands of pressure grinding rods mounted thereon, the upper plate being adapted to fix the pressure grinding rods and the intermediate plate being adapted to eccentrically rotate the pressure grinding rods.