First, the serial port is secret The serial port is one of the main external interfaces of the computer. There are many devices connected through the nine-pin serial port, such as serial mouse, MODEM, and tablet. The schematic diagram of the 9-pin serial port is shown in the f ....
In the processing of silicon wafers, the principle of wire cutting is to contact the silicon rod through the mortar adhered to the steel wire, and under pressure, the mortar interacts with the silicon polycrystalline rod to erase the excess material. Wire cutting used copper-plated steel wire ....
The advantage of driverless cars: reducing accidents is just the beginning" src="uploads/article/201402/2014225968.jpg"> This article refers to the address: http:// Fifty years from now, no one will believe that we will have a traffic accident that caused people to die because ....
In the past 10 years, Samsung has led LEDs into mobile phone backlights and LCD TV backlights. It has driven the shortage of blue LEDs twice. This season, Samsung introduced the Flip Chip to LED TV backlights for the first time. The mainstream of the LED chip factory has become an alternative indic ....
Matching of half-wave symmetrical oscillator and feeder The input characteristic impedance of a general receiving device (such as a TV) is 75Ω (unbalanced) or 300Ω balanced, and the output of the half-wave symmetrical vibrator is: the impedance is 75Ω bal ....
Usually, people are easily anxious in the hospital. We know that light is instructive and psychologically suggestive. In the hospital, in addition to the basic Lighting, can the light use the characteristics of light, relax the patient's mood, improve the efficiency of the medical staff, and cre ....
GT Advanced Technologies (GTAT) announced that it has acquired exclusive access to its Plasma Vapor Deposition (PVD) technology and expertise from Kyma Technologies, Inc. Kyma's plasma vapor deposition columnar nanotechnology (PVDNC(TM)) deposits a high quality growth-type initial layer of alum ....