The present invention provides an optical fiber having the gas laser and the laser optical fiber ring laser gyroscopes. The optical fiber comprises a gas laser excitation gas, the excitation source and the optical cavity, characterized in that the optical cavity by the hollow fiber and single mode f.....
[Detail]
The present invention relates to a light guide plate and a backlight module having the light guide, the light guide plate on the upper surface of the structure of a plurality of V-shaped grooves, said V-shaped groove structure has a free surface contour of the gradient, the lower surface of the micr.....
[Detail]
The invention relates to a two-dimension displacement estimation method of elasticity imaging, which comprises the following steps: carrying out two-dimension initial displacement estimation on a first radio frequency frame and a second radio frequency frame of an ultrasonic pattern to be treated by.....
[Detail]
The present invention relates to a brassiere, in particular to a nano-antibacterial breathable bra and a manufacturing method of a brass cover body containing antibacterial nano porous breathable bra cup, the cup of the base surface of the base body and antibacterial nanoparticles are uniformly dist.....
[Detail]
The invention discloses a thin-film phase shifter of a microwave filter network and a manufacturing method, wherein the phase shifter is formed by a substrate, a ferroelectric thin film, a surface electrode and a base electrode and has a multi-layer structure of a microwave filter network, and the m.....
[Detail]
| |< <- | [69] [70] [71] [72] [73] [74] [75] [76] [77] [78] [79] | -> >| |
