81results about How to "Avoid thermal influence" patented technology

A method of manufacturing a solid-state image pickup device comprises a process for forming a plurality of photoelectric conversion elements PD within a semiconductor substrate 4, a process for forming an interconnection portion, having an interconnection layer 8 in an insulating layer 7, on the surface side of the semiconductor substrate 4, a process for forming an adhesive layer, made of a material cured at a temperature lower than a deterioration starting temperature of the interconnection layer 8, on the surface of the interconnection portion and bonding a supporting substrate 30 to the surface side of the interconnection portion through the adhesive layer 9 by heat treatment at a temperature lower than the deterioration starting temperature of the interconnection layer 8 and a process for decreasing a thickness of the semiconductor substrate 4 from the back side. A solid-state image pickup device manufacturing method can bond the supporting substrate 30 to the surface side of the interconnection portion through the adhesive layer 9 without exerting a thermal influence upon the interconnection layer 8 that was previously formed on the surface side of the semiconductor substrate 4.

A substrate treating apparatus has an antireflection film forming block, a resist film forming block and a developing block arranged in juxtaposition, each of these blocks including treating modules and a single main transport mechanism. The main transport mechanism transports substrates within each block, and transfers the substrates between the blocks through inlet substrate rests and outlet substrate rests provided as separate components. This construction realizes improved throughput of the substrate treating apparatus.

While a ferrule or a laser beam is being shifted in an axial direction, the laser beam is applied, thereby forming a plurality of welded portions at the boundary between a coating of an optical fiber and the ferrule. A YAG laser in a Q switch pulse mode is used to provide a laser beam. The beam. The YAG laser in the Q switch pulse mode is preferably oscillated in a pulse exciting system. The ferrule is made of transparent or semi-transparent synthetic resin. The coating of the optical fiber is made of translucent synthetic resin. In this way, an optical fiber fixing method can be provided which can surely fix an optical fiber and a ferrule in a shortened time, and minimize the thermal influence on the vicinity of the portion to be processed.

The invention discloses a cold-fixed PDC (polycrystalline diamond compact) bit. PDCs with slots are in clearance fit with and fixed in tooth post holes by check rings or stop pins to form cutting teeth, so that the heat influence on the PDCs by the braze welding is avoided, and simple maintenance and replacement of onsite PDCs are realized; when rock is broken in a well, the counter force of the rock drives circumferential conversion working surfaces of the PDCs in the composite tooth posts to rotate, as a result, the defect of abrasion of fixed working surfaces of the PDC bit is overcome, cutting edges are kept sharp during the whole cutting processing, the application stratum scope of the PDC bit is also widened, at the same time, the heat damage on the PDCs during the manufacture process of the bit can be avoided, and the abrasion resistance and the thermal stability of the product are improved. The abrasion resistance of the cutting edges is 13.5 times of that of the standard cutting edge, the whole service life of the bit can be prolonged for 3 to 5 times, and the demand of continuous development in the drilling field is satisfied.

Tanks of a first heat exchanger have plane sections perpendicular to bottoms having a plurality of tube insertion holes formed therein. Tanks of a second heat exchanger with circular cross sections have bottoms having a plurality of tube insertion holes formed therein. The axes of the tube insertion holes of the first and second heat exchangers are held in parallel with each other. The second heat exchanger is in contact with the plane sections of the first heat exchanger tank.

A differential mechanism regulating device which is mechanically connected to two manipulators is miniaturized. When a first cable and a second cable are pulled, a collecting member moves its position. As a result of this movement, the collecting member tilts a portion of an arm by way of a rod. As a result, a differential lock is released. The operation of the first cable and the operation of the second cable can be merged by the collecting member, and it is sufficient to connect only a collecting transmission member to the arm. The connection between the arm and the collecting transmission member can be simplified thus realizing the miniaturization of the differential mechanism.

The invention discloses an underwater power supply suitable for a constant-current power supply type seabed observation network. The underwater power supply comprises a direct-current conversion cabinand a balance load cabin which are independent of each other, a main power conversion circuit and a constant power circuit are arranged in the direct-current conversion cabin; a balance load circuitis arranged in a balance load; an output end of the main power conversion circuit is connected with an input end of the constant power circuit, and an output end of the constant power circuit is connected with the balance load cabin, the main power conversion circuit is used for receiving electric energy provided by a shore base station through a submarine cable, converting constant current into constant voltage and supplying power to an electric load for a scientific instrument; the constant power circuit is used for controlling the constant-power output of the underwater power supply when load switching occurs in the electric load for the scientific instrument; and the balanced load circuit is used for converting redundant electric energy of the direct-current conversion cabin into heatenergy and dissipating the heat energy. The high common-mode voltage isolation and heat dissipation of an underwater power supply input port are realized by adopting encapsulation oil filling and a ceramic gasket, and the power supply is more suitable for a multi-seabed main base station and a long-distance large constant-current power supply network.

The invention provides an on-line laser reinforcing device for hydraulic turbine blades. The on-line laser reinforcing device comprises a track, a traveling mechanism, a robot and laser cladding complete equipment; and the annular track is arranged in a rotating wheel chamber of a hydraulic turbine, the traveling mechanism is arranged on the track, the robot is connected with the traveling mechanism, the laser cladding complete equipment is connected with the robot, the traveling mechanism is pushed to move along the track to drive the robot to arrive at the operation area, and the robot controls the laser cladding complete equipment to repair the cladding part. According to the on-line laser reinforcing device, the problems that in the traditional electric-arc welding defect repair process of original hydraulic turbine blades, the heat effect on substrates is large, the binding strength is low, the thickness is not easily controlled, environmental protection is not achieved, the operation space is large, and the repairing efficiency is low are solved; and the on-line laser reinforcing device has the characteristics of being simple in structure, small in heat effect on substrate, high in binding strength, controllable in thickness, environmentally friendly, capable of being suitable for small space operation, high in repairing efficiency, and easy and convenient to operate.

In a straddle type vehicle in which a radiator is covered with a cover member, and an air guide duct for guiding hot air from the radiator to an outside of the vehicle is formed integral with the cover member, the hot air is restrained from staying within the cover member even in the case where the air guide duct of the cover member covering the radiator must be opened face-to-face with only a portion of a core of the radiator. A ventilation control member for controlling cooling air passing through the core of the radiator so as to flow toward an inner opening of the air guide duct is provided in the vicinity of the radiator.

An engine controller structure for a vehicle, can include a duct cover having a box-like portion on a vehicle body front side thereof. The box-like portion can include an opening formed therein, and can be configured to have an intake duct of an engine connected thereto. The duct cover can be configured to be positioned sidewardly of an engine. An engine control unit can be disposed on the inside of the duct cover. The opening, configured to be connected to the intake duct, can be configured such that the intake duct is connected to an air cleaner box attached to a vehicle body rear side of the engine. The intake duct can shaped so as to be extended to a vehicle body front side from the air cleaner box.

In a method for joining plastic structural component parts by laser radiation, it is the object of the invention to prevent impairment of the surface quality by the falling in of material of the quality surface in thin-walled plastic structural component parts when the latter are connected to another part. A first thin-walled plastic structural component part having a quality surface is formed so as to be absorbent for the laser radiation and is welded by the transmission radiation method on a side located opposite from the quality surface to a second plastic structural component part which is transparent to the laser radiation. The transparent plastic structural component part is heated beforehand in order to reduce the temperature gradient between the plastic structural component parts when joining, so that a faster melting of the transparent plastic structural component part is carried out by heat conduction during joining, and a thermal expansion in the absorbing plastic structural component part in the direction of the quality surface is limited.

The invention provides a connection structure of a motion guide rod and a rotor, comprising the motion guide rod and a rotor screw, wherein the section of the motion guide rod is in an L shape; the motion guide rod comprises a motion guide rod vertical segment and a connection segment, wherein the motion guide rod vertical segment is vertically arranged, and the connection segment is horizontally arranged and is connected with the motion guide rod vertical segment; and the upper end of the rotor screw is riveted with the connection segment. The invention also provides an electronic expansion valve comprising a limiter assembly A, a rotor assembly B, a stator coil C and a valve body assembly D, wherein the limiter assembly A comprises the connection structure of the motion guide rod and the rotor. The invention solves the problem that the magnetic strength of the surface of the rotor is changed and even loses efficacy directly because the motion guide rod and the rotor are mutually welded to generate heat influence on the rotor in the prior art, thereby achieving the effects of good connection quality, simple and convenient connection process, stable connection, convenient processing, accurate stroke limit of the limiter assembly A and accurate positioning of the electronic expansion valve.

The optical disc apparatus according to the present invention includes a tilt detecting means; a coma aberration correcting means; and a spherical aberration correcting means. Based on the result of a tilt detection, the amount of the correction performed by the coma aberration correcting means is determined so that the amount of correction is constant for the whole circumference of an optical disc, and then a spherical aberration is corrected by the spherical aberration correcting means. Thus, it is possible to correct the spherical aberration that has occurred due to the coma aberration correcting means, while the tilt margin is secured, thereby improving the reliability of reproduction and recording by the optical disc apparatus. Further, the optical disc apparatus according to the present invention is configured, in the case where a thermal shock tilt has occurred during the activation of the apparatus, to wait until the thermal shock tilt has settled. Thus, it is possible to perform the activation while the influence of the thermal shock tilt is avoided, thereby improving the reliability of the recording and reproduction operations by the optical disc apparatus.

The invention provides a welding method for low-carbon high-strength steel. The welding method for the low-carbon high-strength steel comprises the following steps of: 1) forming a welding groove on the low-carbon high-strength steel with a laser blanking method, and forming a welding line between the welding grooves of two pieces of low-carbon high-strength steel to be welded; and 2) welding the welding line by consumable electrode mixed gas metal arc welding, filling a welding wire in the welding process, and ensuring that the welding environment temperature is higher than 5DEG C. Specifically, the step 2) comprises the following steps of: 21) carrying out backing weld to the welding line by non-pulse consumable electrode mixed gas metal arc welding, forming a backing weld layer on the bottom of the welding line, and filling the welding wire in the welding process; and 22) carrying out cosmetic welding to the welding line by pulse consumable electrode mixed gas metal arc welding, forming a plurality of cosmetic layers above the backing weld layer, ensuring that two adjacent cosmetic layers are provided with overlay regions, and filling welding wire in the welding process. According to the welding method for the low-carbon high-strength steel, the stress concentration is lowered, and the welding quality of the low-carbon high-strength steel is improved.

The present invention provides a backlight module and liquid crystal display device. The backlight module includes diffuser plate, substrate, fluorescent layer and light-emitting chip. The fluorescent layer is disposed on a light-entering surface of diffuser plate, and the fluorescent layer includes quantum dot (QD). The light-emitting chip is disposed on the substrate and the light-emitting chip is between substrate and fluorescent layer for irradiating on the fluorescent layer to excite the quantum dots to emit light to form white backlight source. The present invention uses quantum dots to effectively increase luminance, color saturation and avoid chroma offset. The quantum dots can emit uniform light and reduce thickness of the backlight module.

The invention relates to a transmission electron microscope-based sample preparation method for observing the section grain characteristics of a laser-induced crystallized nano-film. The sample preparation method comprises the following steps: 1, plating a layer of film on a substrate for observing by adopting a transmission electron microscope by using a magnetron sputtering method; 2, oppositely gluing film coated surfaces of two films, fixing, and cutting one part; 3, clamping the cut films by using two plate materials, so that the section is in a gap of the edges of the two plate materials; 4, carrying out single-pulse irradiation on the section by using a laser; and 5, observing one film by flatly putting the film under the transmission electron microscope, wherein the crystallization area at the section edge is the grain growth morphology of a laser irradiated section to be observed. The sample preparation in the invention is carried out without a series of complex methods, such as mounting, grinding of a sample, and ion thinning, and therefore, the process time is greatly shortened; the pollution is very low; furthermore, the reliability of a result is relatively high; and the sample preparation method has the important significance for researching crystallization behaviours of a phase-change material in the thickness direction.

The invention discloses an LED replacement light source matched with a traditional tube light. The LED replacement light source comprises a light holder, a driving power source, an LED light source plate and an LED light source plate supporting piece. The light holder is fixedly connected with a shell body of the driving power source. An electrode of the light holder is in internal wire connection with an input electrode of the driving power source. An output electrode of the driving power source is in external wire connection with a light source electrode of the LED light source plate. The LED light source plate is provided with the LED light source plate supporting piece and is of a cap structure with a brim. The size of a cap opening of the LED light source plate is smaller than the hole diameter of a traditional tube light decoration ring matched with the LED light source plate. The outer diameter size of the cap edge of the LED light source plate is larger than the hole diameter of the traditional tube light decoration ring matched with the LED light source plate. The LED replacement light source matched with the traditional tube light can directly replace traditional light sources in existing traditional tube lights huge in stock and has great significance to acceleration of application and popularization of LED lighting, energy saving and environmental protection.

A p-type electrode containing a first electrode material exhibiting an eutectic reaction at a temperature of 600° C. or lower, and a second electrode material of aluminum (Al).