7results about How to "Small thickness" patented technology

The application relates to the technical field of composite copper foil preparation, in particular to a PET composite copper foil with high peeling resistance and oxidation resistance and a preparation method thereof. The preparation method of the PET composite copper foil with high peeling resistance and oxidation resistance comprises the following steps: PET composite copper foil preparation and PET composite copper foil composite treatment. In the application, the inert structure of a PET surface is broken through corona treatment, and a polar group is introduced; then, a reinforcing liquid containing a silane coupling agent and nano silicon dioxide sol is coated to form a polar transition layer, so that the interface bonding force and the peeling resistance of the PET and the metal layer are improved through chemical bonding and physical anchoring; then, a layer of oxidation-resistant barrier metal layer is formed by using a physical vapor deposition method; then, the PET composite copper foil is placed in a copper-containing electrolyte, and electrolysis treatment is carried out by electrifying, so that a layer of copper foil is deposited, and the PET composite copper foil is obtained; and finally, the obtained PET composite copper foil is subjected to a surface treatment process.

There is provided a dual slot die coater that is easy to adjust a coating gap and can control a widthwise deviation of coating gap. The dual slot die coater of the present disclosure includes a plate member including a lower plate, an intermediate plate positioned on the lower plate and an upper plate positioned on the intermediate plate, wherein a lower slot is formed between the intermediate plate and the lower plate, and an upper slot is formed between the upper plate and the intermediate plate; a block provided on a rear surface of the plate member, wherein the block can be separated from or coupled to the plate member, or integrally formed with at least one plate of the plate member; a first bolt to push at least one plate of the plate member from the block as the first bolt passes through the block; and a second bolt to pull the at least one plate of the plate member toward the block as the second bolt passes through the block.

The present invention relates to an all-solid-state battery including a thin film current collector and a method of manufacturing the same, and more particularly to a current collector having a thickness of less than 5 µm, which is thermally treated together with a solid electrolyte, whereby interfacial resistance between the current collector and the solid electrolyte is reduced, and therefore the overall size of the all-solid-state battery is reduced, and a method of manufacturing the same.

This utility model relates to the field of unmanned aerial vehicle (UAV) technology, and provides an adjustable generator mounting mechanism for UAV belt tensioning, aiming to solve the problems of heavy weight and large space occupation of existing generator belt tensioning devices. The mechanism includes a generator housing, a generator mounting plate, a mounting bracket, an adjusting bracket, adjusting screws, and fasteners. The generator mounting plate has a flat circular structure with ear plates extending from both sides of its outer edge. The mounting bracket is a stepped flat plate, hinged to the generator mounting plate via a pin. The adjusting bracket is a bent L-shaped plate with an elongated oval groove and a threaded hole on its central raised surface. The lower end of the adjusting screw makes contact with the surface of the generator mounting plate. Fasteners pass through the elongated oval groove and the fixing hole of the generator mounting plate. This utility model has the advantages of being lightweight, compact, and space-saving, and is particularly suitable for installation on small and medium-sized gasoline-powered UAVs.

Disclosed are a separator for an electrochemical device and an electrochemical device comprising the same. The separator comprises a porous polymer substrate and a heat resistant coating layer disposed on at least one surface of the porous polymer substrate, wherein the heat resistant coating layer is a porous polymer layer having pores formed therein, and comprises a polyvinyl pyrrolidone-based polymer and a PVDF-based polymer.

The invention provides a preparation method of an aramid fiber-based ultrathin electrothermal film and the obtained electrothermal film. The preparation method comprises the following steps: S1, adding aramid fibers into a mixed solution of potassium hydroxide and dimethyl sulfoxide, adding isopropanol, unbundling to obtain aramid nanofibers, and carrying out reinforced dispersion to obtain an aramid nanofiber suspension; s2, adding pyrrole into the aramid nanofiber suspension, magnetically stirring, adding a ferric trichloride aqueous solution, and performing in-situ polymerization to obtain an aramid nanofiber coated polypyrrole suspension; and S3, adding the aramid nanofiber suspension into the aramid nanofiber coated polypyrrole suspension, forming a film, soaking the film in a polyvinylidene fluoride organic solvent solution, and polymerizing to obtain the electrothermal film. The contact resistance is low, the number of conductive paths is large, and the conductivity is good, durable and stable; the heating uniformity is good, the thermal response speed is high, and the electro-thermal conversion efficiency is high; the material consumption is small, the weight is light, the thickness is small, the cost is low, the flexibility is good, and the method is easy to process and widely applied to large-scale commercialization.

The utility model provides a kind of multiple folding optical display system and wearable equipment of thinning and lightening belong to optical imaging technical field, including display unit, first optical element, second optical element, third optical element, fourth optical element and fifth optical element;First optical element is set on the light path of display unit;Second optical element is set on the transmission light path of first optical element, third optical element is set on the front side of second optical element;Fourth optical element is set on the front side of third optical element, and the front surface of fourth optical element is Fresnel surface;Fifth optical element is set on the back side of second optical element, and there is polarized light splitting element between the front surface of fifth optical element and the back surface of second optical element.It is compact in structure, small in size, thin in thickness, light in weight, low in stray, good in imaging quality, large in field of view angle, greatly improves the experience of user.