35results about How to "Avoid surface contact" patented technology

A sacrifice layer 36 is exposed through a chemical charging port 31 so that the sacrifice layer 36 and sacrifice layer 35 are etched and removed by an etchant introduced from the chemical charging port 31. Since the surface of an Si substrate 22 is exposed to an etching window 34 corresponding to the removed portion of the sacrifice layer 35, the Si substrate 22 is crystal anisotropically etched below the etching window 34 to form a cavity 23. In contrast, in a space corresponding to the etched and removed portion of the sacrifice layer 36, since the surface of the Si substrate 22 is covered with a protective film 32, the Si substrate 22 is not etched to form a bent hole 26 therein. The cavity can be formed in the semiconductor substrate by an etching process from the surface side. Moreover, a bent hole having a great acoustic resistance can be easily formed.

A high-frequency heating apparatus comprises a heating chamber, a high-frequency generator, a waveguide, an antenna, a motor for rotating the antenna, and a stage (6) provided above and near the antenna to partition the heating chamber and made of dielectric. A rotary base on which an object to be heated is mounted is provided on the stage. A first magnet is provided to the antenna. A second magnet is provided on the rotary base at a place corresponding to the first magnet on the rotary base. By utilizing the magnetic coupling between the first and second magnets, the rotary base is rotated in synchronism with the rotation of the antenna. While maintaining the advantages of conventional antenna high-frequency heating apparatuses, the heating efficiency by grill heating or oven heating is enhanced, and minute heating uniformness is achieved.

The invention provides a pressure sensitive paper accuracy test method, device and system. The method comprises the steps that impact force is applied to the pressure sensitive paper through a punch;the pressure parameter measured by the pressure sensitive paper is acquired; the pressure parameter of the impact force applied to the pressure sensitive paper is acquired; the pressure parameter measured by the pressure sensitive paper and the pressure parameter of the impact force applied to the pressure sensitive paper are compared; and the accuracy of the pressure sensitive paper is determinedaccording to the comparison result of the pressure parameter. With application of the scheme, the accuracy of the pressure sensitive paper accuracy test can be enhanced.

The invention provides a permanent magnet suspension wing panel aeroelastic vibration generating set. The permanent magnet suspension wing panel aeroelastic vibration generating set comprises two support forms, namely, a double-side double support form and a middle single support form, a wing panel is supported by permanent magnet suspension; and an electromagnetic induction energy transformation type is adopted. Power is generated by means of aeroelastic vibration of a permanent magnet suspension support wing panel, and a mechanical elastic support element in a conventional wing panel aeroelastic vibration generating set design is removed, so that the problem of fatigue of a wing panel support element is solved fundamentally. A linear bearing is taken as a guide device for a support rod to perform ups and downs in conjunction with the wing panel, and a suspension annular permanent magnet is fixedly connected to the support rod, so that surface contact between the suspension annular permanent magnet and a cylindrical sleeve is avoided, and friction force of permanent magnet suspension support is lowered. The permanent magnet suspension support has a nonlinear rigidity feature, and the non-linear rigidity feature of the suspension annular permanent magnet can be changed by adjusting a distance between fixed annular permanent magnets at two ends of the cylindrical sleeve, so that the wing panel can perform chattering motion at a relatively low wind speed.

A concealable baton scabbard or carrier for use with an expandable baton includes a tubular cylindrical baton housing having an interior chamber adapted to receive a baton. First and second wing members are attached to substantially diametrically opposite sides of the baton housing and each wing member has at least one belt receiving slot adapted to receive a belt that can be worn about the user's waist. The baton scabbard is configured so that the wing members and baton housing establish an outer profile when worn on a belt that does not deviate significantly from a normal line of tension created by the belt whereby the scabbard or baton are substantially undetectable under an article of outer clothing worn by the user in overlying relation to the scabbard.

The present invention provides a cleaning device and a cleaning performance maintaining method. By means of setting at least one of concave parts or convex parts arranged on at least a part of the surface of an elastic sheet facing to a cleaning blade between the cleaning blade and the elastic sheet, the surface of the cleaning blade is prevented from contacting with the surface of the elastic sheet.

The invention discloses a high heat dissipation battery/battery pack which comprises a shell, wherein positive and negative binding posts are arranged on the shell, a battery/battery pack body is arranged in the shell, a gap is formed between the shell and the battery/battery pack body, the gap is filled with a heat-conducting glue layer, and a fan assists in heat dissipation of the battery/battery pack body. Overall heat distribution uniformity of the battery can be improved by heat-conducting glue between the battery shell and the battery/battery pack body, the heat dissipation state is improved, surface contact of battery shells can be prevented by spherical projections on the outer surface of the battery shell, battery temperature rise caused by heat accumulation is decreased, and the service life of the battery is prolonged.

The invention discloses an automatic packaging system for micro-injection magnetic components. The automatic packaging system comprises a feeding conveyer, an unqualified product feeding mechanism, a qualified product feeding mechanism, packaging conveyers and a sliding table, wherein the packaging conveyers are arranged in parallel on one side of the feeding conveyer; the other side of the feeding conveyer is provided with the unqualified product feeding mechanism and the qualified product feeding mechanism; a conveyer belt of the feeding conveyer is provided with spaced grooves for accommodating the micro-injection magnetic components; the tail end of the packaging conveyers is provided with the sliding table. The system is simple in structure, safe and reliable, and can be used for automatically feeding, rejecting unqualified products and packaging qualified products, feeding and packaging efficiency are improved, and surface contact of the micro-injection magnetic components can be prevented.

The lens cone for containing optical components comprises a cylinder body and a lens cone front at one end of the body, features in several folded section and fixed holding section spaced along the circumference of the body at the other end of the circumference, with the folding section and the fixed section stretching along the axis of the body, with the said folding section inwardly folding to form the compartment along the radius of the body. It also provides a lens module set of the said lens cone, forming protruding structures free from barricade gasket or optical components at the ridge with less assembly process and less difficult manufacturing process.

The invention discloses a rainwater collecting device and method. The device comprises a rainwater collecting part and a control part. The rainwater collecting part comprises a rainwater collecting pipe and a water storage tank; an output end of a controller of the control part is in signal connection with an air pump and a valve. A pressure sensor detects the rainfall information and falling direction information of rainwater and transmits the rainfall information and the falling direction information to the controller, and the controller receives the rainfall information and the falling direction information and controls the jet direction and jet flow of an air jet opening by controlling the air pump and the valve to ensure that the flow and direction of ejected airflow at the air jet opening can assist the rainwater collecting pipe in collecting the rainwater. The device and the method solve the technical problems in the prior art that rainwater collecting systems have a small rainwater collecting amount and low collecting efficiency and secondary pollution caused by the collected rainwater is serious; the effects that the collecting amount is large, the collecting efficiency ishigh and the collected rainwater is cleaner are achieved.

The invention provides a strength steel pipe plane center positioning device and an application method thereof. The strength steel pipe plane center positioning device solves the technical problems inthe prior art that in a steel pipe concrete structure, steel pipe plane center positioning is inconvenient, and is low in efficiency and low in accuracy. The strength steel pipe plane center positioning device comprises an accommodating cylinder and three telescopic rods movably arranged in the accommodating cylinder. A measuring opening is formed in the lateral side of the accommodating cylinder. Length scale lines are arranged in the length direction of the measuring opening. The accommodating cylinder comprises a main accommodating cylinder and an auxiliary accommodating cylinder. One endof the auxiliary accommodating cylinder is perpendicularly connected to the center of the main accommodating cylinder. Two sets of length scale lines are arranged on the main accommodating cylinder. One set of length scale line is arranged on the auxiliary accommodating cylinder. The distances from the zero positions of the three sets of the length scale lines to the center position are consistent. A prism mounting seat is arranged at the center position. The three telescopic rods are separately inserted in two ends of the main accommodating cylinder and in the auxiliary accommodating cylinder. Positioning is convenient, accuracy is high, and measuring mounting efficiency is high.

A water depth measuring device for water conservancy and hydropower engineering disclosed by the present invention comprises a device main body, a winding wheel, a mounting groove and a limiting clamping groove, one side of the top of the device main body is fixedly connected with the winding wheel, the bottom of the device main body is fixedly connected with the mounting groove, and the top of one side of the device main body is fixedly connected with the limiting clamping groove; the bottom of the winding wheel is movably connected with a limiting block, one side of the bottom of the limiting block is embedded and connected with a positioning bolt, the bottom end of the winding wheel is fixedly connected with a positioning groove, and the middle part of the winding wheel is movably connected with a rotating shaft. The rotating shaft improves the flexibility of the device main body, the measuring mechanism reduces the workload of related workers, the working efficiency of workers is improved, the mounting mechanism enables the workers to mount and dismount the device body according to actual working requirements, the application range of the device body is enlarged, the data recording mechanism facilitates recording of measured data by the workers, and the water depth measuring device is suitable for water depth measurement and has wide development prospects in the future.

A disk recording and reproducing device keeps a disk in a standby position spaced from the objective lens of an optical pickup to prevent the objective lens from contacting the surface of the disk even when the objective lens is moved within a movable range because the disk recording and reproducing device are subjected to vibrations, shocks, or the like. The disk recording and reproducing device has a slide plate slidable by a drive element through a rack. When the slide plate slides, the disk is pulled in a horizontal direction from a disk ejecting position and thereafter is lowered vertically and positioned in a disk writing/reading position in which information can be written on and read from the disk by an optical pickup. The slide plate has switch triggers, and a switch having contact pins detectable by the switch triggers is mounted on a chassis. While the disk is moving from the disk writing/reading position toward the disk ejecting position, one of the contact pins is operated by the switch trigger of the slide plate, and the disk is held in a disk standby position which is spaced a predetermined distance from the objective lens of the optical pickup.

The invention provides a telmisartan solid preparation containing low-content alkaline substances and capable of improving the dissolution rate and a preparation method of the telmisartan solid preparation. The telmisartan solid preparation comprises telmisartan sodium composite particles, a micronized solid dispersion prepared from high-uniformity small-particle telmisartan and proper auxiliaries; the solid preparation is a tablet or a coated tablet; and the mass dosage of the telmisartan micronized solid dispersion in the telmisartan solid preparation is not more than 40wt% of the telmisartan sodium composite particles. The telmisartan solid preparation has lower alkaline substance content, and has the characteristics that the active components can be rapidly dissolved and rapidly release medicines and good stability.

The invention discloses an automatic ignition furnace and an application method thereof. The automatic ignition furnace comprises a transmission wheel, a first positioning pin and a furnace body. An inner cavity of the transmission wheel is fixedly connected with a bottom plate through a screw. The inner cavity of the transmission wheel is fixedly connected with a supporting plate. A thermal insulation layer is fixedly connected to the surface of the supporting plate through a screw and located at the bottom of the bottom plate. The surface of the supporting plate is fixedly connected with a support. The transmission wheel is movably connected to the bottom of the support. The top of the support is movably connected with a second fixing shaft. The surface of the second fixing shaft is sleeved with a flywheel. The automatic ignition furnace has the advantages that a heat transmission fan is additionally arranged, the combustion speed of charcoal in the furnace is fast increased under the effect of wind, the ignition speed is high, and the automatic ignition furnace is conveniently used for ignition; and the problems that when an ordinary ignition furnace is used, an ignition material is ignited after charcoal is poured into the ignition furnace, only after half an hour or even a longer time can all the charcoal be ignited, the ignition speed of the ignition furnace is decreased,and the ignition furnace is used by people inconveniently are solved.

The invention relates to the technical field of relays, and particularly relates to an electromagnetic relay with a self-resetting indication function. The electromagnetic relay comprises a shell, a base, an indication plate arranged on the base, a push rod, a contact system and a magnetic circuit system which are matched with each other. The indication board is located between the contact system and the side wall of the shell. At least one fixing piece fixed to the base is arranged at the bottom of the indication board, an elastic piece making contact with the shell is arranged on the side, away from the contact system, of the indication board, after the relay is powered on, the push rod and the indication board act but are not connected, the push rod pushes the indication board to achieve indication switching, and automatic assembling is achieved by independently assembling the indication board. When the relay is powered on, the indication board rotates under the action of the push rod to generate an elastic force, and the elastic piece abuts against the shell to generate a buffer elastic force so that after the relay is powered off, the indication board can reset slowly, the shaking amplitude is prevented from being too large, the stability of action voltage parameters is guaranteed, and the qualified rate of finished products is improved.

The present invention relates to devices and methods for deploying an implant. In a preferred embodiment, the device (10) places a flexible implant in the eye. In one embodiment, the device comprises a distal end and a proximal end, wherein the distal end is configured to allow said implant to bend into a curved form when in the delivery position, the device is designed to, The curved implant can be pushed from the delivery position to a deployed position. Embodiments with a detachable head (13) and roller actuator (14) are also disclosed herein.