32results about How to "Overcome the flaw of damage" patented technology

The invention belongs to the semiconductor manufacturing technical field and relates to a through silicon via process. The through silicon via process includes the following steps that: traditional wafer three-dimensional integration is performed on a part of a second metal layer contained in a first BEOL dielectric layer and a third metal layer contained in a second BEOL dielectric layer, so that the size of a wafer can be reduced greatly with the properties of the wafer unchanged; and a part of a first metal layer contained in the first BEOL dielectric layer is not connected with any circuit, and therefore, accumulation of a large number of charges in first wafer metal which is caused by long-term bombardment of charged particles to metal in the first BEOL dielectric layer in secondary etching in a traditional process can be avoided, and damage to a semiconductor device in the first BEOL dielectric layer can be avoided.

The invention discloses an intensive type DC de-icing device topology structure. The intensive type DC de-icing device topology structure comprises a constant impedance low-loss connection transformer, a de-icing branch, a DC de-icing device main controller, an operation mode transformation device, a reactive compensation and active filter branch and a transformer substation bus current and voltage signal acquiring device; the transformer substation bus current and voltage signal acquiring device is connected with a DC de-icing device main controller; the control end of a static reactive compensation and active filter part is connected with the DC de-icing device main controller; the input end of the operation mode transformation mode is connected with an C bus of a transformer substation through the constant impedance low-loss connection transformer, and while the output end of the operation mode transformation mode is respectively connected with the de-icing branch and the reactive compensation and active filter branch. The intensive type DC de-icing device topology structure can perform de-icing, reactive compensation and active filter, and is reliable to run; the de-icing and the reactive compensating capacity can be independently configured; therefore, the guidance is provided for the multifunctional topology structure of the de-icing device; the intensive type DC de-icing device topology structure can be widely applied to various transformer substations.

The invention provides a sealing performance testing device and method. An object to be tested is placed in a testing container in a sealed mode, air in the testing container is controlled to be pumped out instantaneously, the sealing performance of the object to be tested is analyzed according to the change valve of air pressure, detected by an air pressure detector, in the testing container and preset detection standards to obtain the analysis result, and therefore the defects that a product is placed in water to detect the sealing performance of the product and consequently water permeates into the product and the product is damaged in the prior art are overcome. The device and method are convenient to use and easy to operate and provide convenience for detection of the sealing performance of the product.

The invention relates to an infrared scanning vehicle separator having automatic heating function, is mainly composed of a pair of a transmitter and a receiver which are arranged at opposite positions and comprises a housing arranged inside a protective covering; the front end of the housing fixes an optic window of heating glass by a sealing bar; the transmitter or receiver consisting of same number of infrared transmitting tubes or receiving tubes is fixed in the middle of the housing; the invention is characterized in that the lower surface of the optic window of heating glass is tightly stuck to a temperature switch, a transmitter or receiver control circuit and drive circuit connected with the temperature switch are installed in the middle of the housing, and the transmitter is communicated with the receiver by synchronous communication lines. The invention has the beneficial effects that the control circuit and drive circuit can be automatically started to heat the vehicle separator heating glasses under bad weather (rain, snow and fog) and the heating of heating glass is controlled by software in pulse control manner, thereby avoiding damages caused by long-term electrifying of heating glass. The window of heating glass on the protective covering is removed, thereby reducing attenuation for infrared transmitted lights.

The invention discloses a filling-type self-service flexible point-touch guiding cable dragging device for mines, which includes a cable retractable assembly, a flexible point-contact multi-dimensional nested curved guiding device, a fixing device, and a guiding device pulling part and a filling type fluid annular self-service thrust reverser, the flexible point-contact multi-dimensional nested curved guide device is movably arranged in the traction part of the guide device, and the flexible point-contact multi-dimensional nested curved guide The end of the device protrudes from the guiding device and the traction device is set; the fixing device is set on the flexible point-contact multi-dimensional nested curved guiding device, and the filling type fluid annular self-service thrust reverser is movably set on the fixing device , the cable retracting assembly is arranged close to the pulling part of the guiding device. The invention belongs to the technical field of cable tow cables, and specifically refers to a filling-type self-service flexible point-touch guiding cable dragging device for mines, which solves the problems of heavy cables, laborious dragging and moving of workers, and reduces cable dragging due to friction.

The invention relates to the technical field of semiconductor manufacturing, in particular to a through-silicon via process. The traditional three-dimensional wafer integration is completed by combining part of the second metal layer contained in the first BEOL dielectric layer with the third metal layer contained in the second BEOL dielectric layer, which greatly reduces the wafer performance while maintaining the same wafer performance. The volume of the wafer; at the same time, the part of the first metal layer contained in the first BEOL dielectric layer is not connected to any circuit, which overcomes the long-time secondary etching of the traditional process when charged particles bombard the metal in the first BEOL dielectric layer for a long time, resulting in the first wafer A large amount of charge accumulates in the metal, thereby destroying the defects of the semiconductor device in the first BEOL dielectric layer.

The invention discloses a display screen box body, which comprises connecting locks, plug pin locks and a plurality of box body units, wherein each box body unit comprises a carbon fiber framework anda plurality of plastic blocks, each plastic block is respectively coated on the carbon fiber framework, a gap is formed between any two adjacent plastic blocks, any two adjacent box body units in thetransverse direction are connected through the plug pin lock, any two adjacent box body units in the vertical direction are connected through the connecting lock, the plug pin lock is connected between the plastic blocks of every two adjacent box body units, and the connecting lock is connected between the plastic blocks between every two adjacent box body units. The display screen box body has the characteristics of good heat dissipation, light weight, low cost, high precision, no need of secondary processing and the like. The display screen box body is applied to the technical field of LEDbox bodies.

The invention provides an intelligent anti-icing deicing system and method for a high-voltage transmission line. The intelligent anti-icing deicing system comprises an alternating-current up-conversion module, an alternating-current down-converting module, an ice coating detection device, a frequency measurement meter, an up-conversion control module and an alternating-current down-conversion control module, wherein the alternating-current up-conversion module is arranged at the front end of an ice-coated circuit, the alternating-current down-converting module us arranged at the back end of ice-coated circuit, the ice coating detection device is arranged on the ice-coated circuit, the frequency measurement meter is arranged at the output end of the down-conversion module, the up-conversion control module is used for receiving a signal sent by the ice coating detection device and controlling the up-conversion module, and the alternating-current down-conversion control module is used for receiving a signal sent by the frequency measurement meter and controlling the alternating-current down-conversion module. In the invention, alternating-direct current is converted into high-frequency alternating current by utilizing the skin effect, so that the ice-coated circuit generates more heat; anti-icing and deicing is carried out through the heat generated by the ice-coated circuit;and deicing frequency is selected in intelligent grade according to change of meteorological conditions, without affecting power transmission and supply, so as to settle circuit ice coating with minimal energy consumption, and thus not only anti-icing but also deicing can be achieved. The intelligent anti-icing deicing system has simple structure and strong implementation, and can be widely applied to high-voltage transmission lines in areas with frequent snow disasters.

The invention relates to an infrared scanning vehicle separator having automatic heating function, is mainly composed of a pair of a transmitter and a receiver which are arranged at opposite positions and comprises a housing arranged inside a protective covering; the front end of the housing fixes an optic window of heating glass by a sealing bar; the transmitter or receiver consisting of same number of infrared transmitting tubes or receiving tubes is fixed in the middle of the housing; the invention is characterized in that the lower surface of the optic window of heating glass is tightly stuck to a temperature switch, a transmitter or receiver control circuit and drive circuit connected with the temperature switch are installed in the middle of the housing, and the transmitter is communicated with the receiver by synchronous communication lines. The invention has the beneficial effects that the control circuit and drive circuit can be automatically started to heat the vehicle separator heating glasses under bad weather (rain, snow and fog) and the heating of heating glass is controlled by software in pulse control manner, thereby avoiding damages caused by long-term electrifying of heating glass. The window of heating glass on the protective covering is removed, thereby reducing attenuation for infrared transmitted lights.

The invention discloses a tightening and control device for the roll gap measuring arm of a pincer type online roll gap meter. The device forms a transmission structure through a driving motor, a sprocket and a chain, and two sliders are arranged on the chain and located in a chute Driven by the drive motor, the upper connecting arm and the lower connecting arm with the hook end are respectively connected to two sliders and the hook ends are respectively against the outer edge sides of the upper measuring arm and the lower measuring arm, the trigger lever is hinged to the box, and the trigger switch is tightened and the unfolding trigger switch are arranged on the inner wall of the box through the saddle-shaped bracket, and when the trigger lever rotates along the hinge point, the tightening trigger switch and the unfolding trigger switch are respectively triggered. This device overcomes the defect that the traditional online roll gap meter will be damaged due to the large travel reverse feeding of the dummy bar under abnormal production conditions. It can automatically shrink when the roll gap gauge is running in the reverse direction, and the roll gap measuring head can automatically open when the roll gap gauge is running forward, ensuring the safe operation of the online roll gap gauge.

The invention discloses an electronic cylinder provided with a valve seat frame and a push pin frame, all electromagnetic valve plates for fixing electromagnetic valves are arranged in the valve seat frame, the push pin frame is positioned below the valve seat frame and constructed by a stair descending plate and a push pin frame, the stair descending plate is provided with plural rows of push pin baffle plates, and the push pin frame and the restoring plate are integrated as a whole. Relative to the push pins, the valve seat frame can move to and fro in the horizontal direction and the vertical direction, and the push pin frame can move to and fro in the horizontal direction. Each electromagnetic valve is provided with two armature pins, porose or aporate situation is shaped by whether the armature pins cover the push pin baffle plate through pores, and the work is done. The invention replaces the restoring coils or permanent magnet with the mechanical restoring mode, thus, on the one hand, eliminating residual magnetism and resolving the problem of electromagnetic valve damage caused by easy breakage of the connecting wires of the working coils; on the other hand, resolving the problem of likely tremble of the hanging push pins under the combined action of the push pin frame and the push pin baffle plate after adopting the integral push pin structure, to enhance the adaptability of the push pins and the transverse pins.

The invention discloses a hydraulic control reducer with a neutral position for a drive motor of an electric vehicle, belonging to a power transmission system of an electric vehicle. The reducer and a motor are integrated into a whole, the shaft of the motor and the input shaft of the reducer are connected with each other at the front end of the motor, and a driving pinion on the input shaft of the reducer is in slip connection with the input shaft of the reducer through a spline; when the vehicle quickly moves under a non-traction working condition, the vehicle is in a two-wheel drive state, and at this time, the front axle is positioned in high gear and the rear axle is in an off-gear state; if the rear axle does not have the off-gear function, the drive motor can be subject to overspeed rotation which may cause damage to the motor. The invention has the advantage of compact structure, overcomes the defects in the quick movement of the vehicle under a non-traction condition and improves the efficiency of the transmission system of the electric vehicle.

The invention discloses a press with a flexible supporting platform, and belongs to the field of press structures. The press with the flexible supporting platform comprises a drive device, an upper die, a lower die, a pressure sensor, a displacement sensor and the flexible supporting platform, wherein the upper die is driven by the drive device to move downwards so as to press a workpiece; the pressure sensor at the lower end of the lower die is arranged to monitor the pressure borne by the workpiece; the displacement sensor is arranged to monitor the displacement amount of the workpiece; By arranging the flexible supporting platform at the lower end of the pressure sensor, flexible supporting of the workpiece is achieved, and a situation that the workpiece is damaged due to rigid supporting is avoided.

The invention relates to an emergency lamp convenient to fold. The emergency lamp convenient to fold comprises an emergency lamp body and an external handle, wherein the emergency lamp body comprises a plurality of light emitting units and connecting pieces; each connecting piece is arranged between the two corresponding adjacent light emitting units; each two adjacent light emitting units are connected with each other by the corresponding connecting piece; each light emitting unit is in the shape of a hollow barrel; light emitting devices are arranged in openings in two ends of each light emitting unit; each light emitting device comprises a circuit board, a light source and light emitting glass; the circuit boards are clamped at the openings of the light emitting units; each light source is arranged on the corresponding circuit board; the light emitting glass is hermetically connected with the outlets of the light emitting units; a circuit connecting structure which guarantees that each light emitting unit is connected with the corresponding connecting piece is arranged on the outer side of the emergency lamp body; the external handle can be connected with the emergency lamp body in a clamped manner; and a power source and a button for controlling switching-on and switching-off of the power source are arranged in the handle. By using the emergency lamp, various types of lamplight can be changed; while the structure of the emergency lamp can be lengthened, the circuit can be in a switching-on state; and the emergency lamp is provided with the external power source and is convenient to carry and hang.

The invention relates to the technical field of packages and discloses a paper iron box mouth sealing structure. The paper iron box mouth sealing structure comprises a box body, and the box body is provided with base boards and surface paper. The base boards of the box body is made of an iron sheet. The first base board, the second base board, the third base board and the fourth base board of thebox body are connected in sequence. The surface paper is pasted to the surfaces of the base boards to form the box body. The upper ends of the base boards extend to form edgefold parts. The ends of the edgefold parts extend to form support parts. The base boards, the edgefold parts and the support parts are integrated. The edgefold parts are folded to the inner walls of the box body. One ends of the support parts are connected with the corresponding edgefold parts. The other ends of the support parts get far away from the inner walls of the box body. A box cover is arranged on the support parts to seal the box body. Through the novel package, a packaged content can be protected well. Meanwhile, the corners of the mouth sealing part of a packaging box are more perfectly straight. The sealing anti-fake performance and formability are better.

The invention relates to an emergency lamp convenient to fold. The emergency lamp convenient to fold comprises an emergency lamp body and an external handle, wherein the emergency lamp body comprises a plurality of light emitting units and connecting pieces; each connecting piece is arranged between the two corresponding adjacent light emitting units; each two adjacent light emitting units are connected with each other by the corresponding connecting piece; each light emitting unit is in the shape of a hollow barrel; light emitting devices are arranged in openings in two ends of each light emitting unit; each light emitting device comprises a circuit board, a light source and light emitting glass; the circuit boards are clamped at the openings of the light emitting units; each light source is arranged on the corresponding circuit board; the light emitting glass is hermetically connected with the outlets of the light emitting units; a circuit connecting structure which guarantees that each light emitting unit is connected with the corresponding connecting piece is arranged on the outer side of the emergency lamp body; the external handle can be connected with the emergency lamp body in a clamped manner; and a power source and a button for controlling switching-on and switching-off of the power source are arranged in the handle. By using the emergency lamp, various types of lamplight can be changed; while the structure of the emergency lamp can be lengthened, the circuit can be in a switching-on state; and the emergency lamp is provided with the external power source and is convenient to carry and hang.