34results about How to "Achieve annealing" patented technology

The invention relates to a clamp for obtaining an AGMI effect and a method for obtaining the AGMI effect based on the same, and relates to the field of AGMI effect generation. The problems that due to the fact that at present, an external coil or a biasing permanent magnet needs to be adopted for obtaining the AGMI effect to generate a bias field, however power consumption is obviously increased when bias is added, and an existing method for obtaining the AGMI effect is excessively complex and low in sensitivity are solved. Two clamping plates are adopted for clamping a non-crystalline material, a weight is adopted for applying stress on the non-crystalline material, different current annealing can be effectively achieved on the non-crystalline material, and in this way, the AGMI effect can be obtained.

The invention discloses a thermal treatment device and a thermal treatment technology of an ultra-long aluminum extrusion, and belongs to the technical field of material processing. The thermal treatment device comprises a heating furnace, a quenching water well, a feeding and discharge rail, a feeding trolley, a discharge trolley, a lifting device and a material basket, wherein a furnace body isan ultra-long horizontal furnace composed of a plurality of regions of which the temperature is independently controlled; and a product is horizontally stacked in the material basket, and enters the furnace body or the quenching water well through the feeding trolley, the discharge trolley and the lifting device to be subjected to thermal treatment. According to the thermal treatment device and the thermal treatment technology, horizontal furnace horizontal heating and inclined descend soaking quenching technologies are adopted to replace traditional vertical quenching and roller hearth type quenching technologies, the quenching cooling speed is high and uniform, quenching deformation of the product is low, surface quality is good, and performance is uniform; solid-solution quenching, annealing and ageing functions can be achieved, production scheduling is flexible, length of a biggest product of thermal treatment is large, charge batch is large, production efficiency and heat utilization rate are high, and operation is safe and reliable; and besides, deep well, heat-resistant roller, spraying devices, and the like are not required, basic requirements on equipment are low, and investment is low.

The present invention relates to the field of semiconductors. A process method for improving the performance of trench MOS structure Schottky diodes, step 1, take the silicon substrate that has completed trench etching, and remove the silicon dioxide layer and other dielectric layers on the silicon surface of the front side of the silicon substrate by wet process; step Two, adopt LPCVD process to deposit and grow a thin layer of oxygen-doped polysilicon layer; Step 3, adopt LPCVD process to deposit a thin layer of silicon nitride layer; Step 4, adopt LPCVD process to deposit a layer of non-doped polysilicon layer; Step 5 , use the furnace tube thermal oxidation process to oxidize the deposited polysilicon layer, and react to form silicon dioxide; step 6, use the CVD process to deposit in-situ doped polysilicon, and finally obtain the silicon trench MOS structure required by the device . The invention improves the thickness uniformity of the dielectric layer, reduces defects generated during the growth process of the dielectric layer, reduces the charge density in the dielectric layer, and improves device performance.

The invention discloses a method and a device for performing inert gas protective cover type annealing on cold-rolled titanium strip coils, and belongs to the technical field of nonferrous metallurgy. The annealing method comprises the following steps of: pressure adjustment, feeding and exhausting, nitrogen displacement, heating and annealing, cooling and discharging. The device comprises a cover type annealing furnace (1), a nitrogen supply device (2) and an argon supply device (3), wherein the nitrogen supply device (2) is communicated with the inner cover of the cover type annealing furnace (1); and the argon supply device (3) is communicated with the inner cover of the cover type annealing furnace (1). Based on the common full hydrogen or nitrogen-hydrogen annealing furnace, the argon supply device is additionally arranged, so that different annealing requirements of the common full hydrogen or nitrogen-hydrogen annealing furnace for cold-rolled steel strips and titanium strip coils are met; and the device has the advantages of high efficiency, process stability, convenience for transformation, multiple purposes and high reliability.

The invention discloses a continuous coating production system for sheet-like substrates, which comprises a sequentially connected feeding area, a working area and a feeding area. Vacuum chamber, first transition chamber, coating deposition chamber, rapid atmosphere annealing chamber, several pre-vacuum chambers, unloading area including unloading table, each chamber in the working area has the required vacuum environment; also includes a transmission device capable of linear transmission ; The transmission device runs through the entire feeding area, working area and unloading area. This continuous coating system realizes continuous deposition and annealing of one or more layers of composite films including thermochromic coating materials in the same production line, which significantly improves production efficiency and reduces the need for materials to be offline after coating. Material loss cost during annealing. Due to its unique structural design can significantly improve the problem of tempering stress loss, the stress of the tempered glass-based smart glass produced by this system can meet the stress standard requirements of the national building energy-saving safety glass ≥ 90Mpa.

The invention relates to induction heating continuous annealing equipment meeting the characteristics of a copper-clad aluminium composite electrical flat cable and a process using the equipment. The equipment mainly comprises a guide device, a drive device, a temperature measuring device, an induction heating system, a heat preserving section, a cooling section and a gas protective system. The equipment is characterized in that an induction heating power source adopts a frequency on the high side of an intermediate frequency so as to increase the rate of the induction heating, shorten the heating time and control the interface layer thickness; the cross section of an induction heating coil is of a flat shape similar to the shape of the cross section of the copper-clad aluminium flat cable so as to benefit the uniform distribution of temperature and the shortening of the heating time and control the interface layer thickness; a ceramic tube with a certain length and the heat preserving section are arranged to ensure that the temperature is uniform during the heating and enough time is provided to finish the recrystallization of a copper layer and an aluminium core; the forced cooling section is arranged to ensure that the temperature of the annealed flat cable can be rapidly reduced to below 150 DEG C and the copper-aluminium interface layer thickness is controlled at 2-3 micrometers. The invention further provides an annealing process using the annealing equipment.

The invention discloses an efficient and quick annealing equipment for die steel processing and production, relates to the technical field of annealing, and aims to solve the problem that the existing annealing equipment for die steel processing and production has a complex structure and cannot be used efficiently and quickly. The lower end of the bottom plate is provided with a stressed leg, and the stressed leg is fixedly connected to the bottom plate. The upper surface of the bottom plate is provided with a first empty slot, and one side of the first empty slot is provided with a second empty slot. The inside of the first empty slot is provided with an electromagnetic heating mechanism, the inside of the second empty slot is provided with a cooling box, the inside of the cooling box is provided with a partition, and the partition is fixedly connected with the cooling box, and the cooling box is a The surface of the side is provided with a bevel, a support frame is provided between the first empty slot and the second empty slot, and the support frame is fixedly connected with the bottom plate, and one end of the support frame is provided with a first rotating motor mechanism, and the One side of the first rotating motor mechanism is provided with a first rotating shaft.