Disclosed herein are a metastructure having a zero elastic modulus zone, which can experience constant stress in a predetermined strain zone, and a method for designing the same. The metastructure includes a first unit and a second unit, wherein the first unit has a structure capable of buckling and has a stress-strain relation having a zone corresponding to a negative elastic modulus, the second unit is disposed adjacent to the first unit and has a stress-strain relation having a zone corresponding to a positive elastic modulus, and the metastructure has zero elastic modulus in a predetermined target strain zone through synthesis of the negative elastic modulus of the first unit with the positive elastic modulus of the second unit.

A printing device, in particular offset printing device, for transferring a transfer ply of a transfer film to a substrate,

wherein the printing device has a first printing unit, which has a first transfer unit including a transfer cylinder with a transfer medium and a first substrate cylinder, wherein the first transfer unit of the first printing unit is designed in such a way that a first adhesion promoter is transferred from the transfer medium to a first region of the surface of the substrate, and a corresponding method.

A film transferring method according to an embodiment of the present invention of transferring a film adhered to a substrate to a roller in a state that a first adhesion force between the roller and the film and a second adhesion force between the film and the substrate are substantially the same includes: a transporting step of transporting the substrate and the film of which a first adhesion surface formed on one surface is adhered to the substrate in a first direction; a close contacting step of closely contacting the front end of the second adhesion surface formed on the other surface of the film that is transported with the roller rotating in the first rotation direction; and a transferring step of peeling the film from the substrate and simultaneously transferring it to the roller by peeling the front adhesion surface of the first adhesion surface from the substrate, while simultaneously transferring the front end of the second adhesion surface to the roller and continuously transporting the substrate in the first direction, wherein a first weak adhesion force that is smaller than the second adhesion force is formed between the front adhesion surface and the substrate.

An imprinting apparatus includes an imprinting platform having a first side and a second side opposite to each other, an imprinting roller disposed above the imprinting platform, a transfer module, and a film separation module. The transfer module includes a transfer film located between the imprinting roller and the imprinting platform and a fixed frame fixed beside the first side of the imprinting platform and a movable frame disposed on the second side of the imprinting platform that clamp opposite sides of the transfer film. The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film. The film separation module is connected to the movable frame, and is adapted to drive the movable frame to be turned from a first position to a second position, such that a rounded corner is formed between the transfer film and the imprinting roller.

An imprinting apparatus includes an imprinting platform having a first side and a second side opposite to each other, an imprinting roller disposed above the imprinting platform, a transfer module, and a film separation module. The transfer module includes a transfer film located between the imprinting roller and the imprinting platform and a fixed frame fixed beside the first side of the imprinting platform and a movable frame disposed on the second side of the imprinting platform that clamp opposite sides of the transfer film. The movable frame is adapted to move horizontally relative to the fixed frame to change a flatness of the transfer film. The film separation module is connected to the movable frame, and is adapted to drive the movable frame to be turned from a first position to a second position, such that a rounded corner is formed between the transfer film and the imprinting roller.

A film transferring method according to an embodiment of the present invention of transferring a film adhered to a substrate to a roller in a state that a first adhesion force between the roller and the film and a second adhesion force between the film and the substrate are substantially the same includes: a transporting step of transporting the substrate and the film of which a first adhesion surface formed on one surface is adhered to the substrate in a first direction; a close contacting step of closely contacting the front end of the second adhesion surface formed on the other surface of the film that is transported with the roller rotating in the first rotation direction; and a transferring step of peeling the film from the substrate and simultaneously transferring it to the roller by peeling the front adhesion surface of the first adhesion surface from the substrate, while simultaneously transferring the front end of the second adhesion surface to the roller and continuously transporting the substrate in the first direction, wherein a first weak adhesion force that is smaller than the second adhesion force is formed between the front adhesion surface and the substrate.

A device for the surface treatment of a substrate including a transport device, a vacuum suction device, a corona device and a coating device, is described. The transport device is formed as a conveyor belt. The conveyor belt is formed as a vacuum suction belt of the vacuum suction device, and the conveyor belt is formed as a counter electrode of the corona device.

A hybrid transfer machine includes: a body including a first drum installation part, a second drum installation part, a first body, a second body, and a worktable; a first drive means configured to allow wound fabric to be unwound; a thermal transfer unit configured to be installed in the second body, and to press and heat the fabric and transfer paper; a piece-type roller arm configured to be installed in the second body, and to guide the transfer paper to the third drum installation part; a second drive means configured to allow the transfer paper to be wound; a third drive means configured to allow the fabric to be wound; and a conveyer configured to be installed in the body, and to transfer the fabric and the transfer paper to the third and fourth drum installation parts.

Retransfer printing methods and systems are described where a variable stripping process is utilized while stripping all or a portion of the retransfer film (also known as intermediate transfer media) from the surface of a substrate. The variable stripping process includes stripping the retransfer film from different sections of the substrate surface while applying different tensions to the retransfer film and/or at different transport speeds of the retransfer film and the substrate.

Systems and methods for laser assisted deposition of a material includes a printing unit configured to print individual dot-like portions of a material from a donor substrate onto a receiving substrate, and a vacuum shuttle configured to be positionable in two or three dimensions between the printing unit and the donor substrate and to engage the donor substrate upon application of a vacuum to the vacuum shuttle. The printing unit may include a coating system and a laser. The vacuum shuttle includes a vacuum channel about its periphery and an open window through which the laser irradiates the donor substrate. The vacuum channel is fluidly coupled to a vacuum inlet for receiving a vacuum suction, thereby to engage the donor substrate and hold it taught against the bottom of the vacuum shuttle in operation. The vacuum shuttle may also include one or more distance measuring sensors and fiducial markers.