A system for performing substrateless and/or local donor Laser Induced Forward Transfer (LIFT), comprising a reservoir (9) comprising at least one opening and an energy source configured to deliver energy to a donor material within said reservoir, characterized by at least one of: said reservoir is embedded into a medical device; said reservoir is in fluid connection with a medical device; said reservoir is incorporated into a medical device; said reservoir contains at least one biologically active substance; and, said reservoir is in fluid connection with at least one source of at least one biologically active substance. This system enables deposition of material by LIFT without any need for a donor substrate. Methods of substrateless and local donor LIFT, in particular for medical and biological applications, are also disclosed.

A system for performing substrateless and/or local donor Laser Induced Forward Transfer (LIFT), comprising a reservoir (9) comprising at least one opening; and an energy source configured to deliver energy to a donor material within said reservoir. In preferred embodiments of the invention, the energy source is a pulsed laser. This system enables deposition of material by LIFT without any need for a donor substrate. Methods of substrateless and local donor LIFT are also disclosed.

A transfer printing process that exploits the mismatch in mechanical or thermo-mechanical response at the interface of a printable micro- or nano-device and a transfer stamp to drive the release of the device from the stamp and its non-contact transfer to a receiving substrate are provided. The resulting facile, pick-and-place process is demonstrated with the assembling of 3-D microdevices and the printing of GAN light-emitting diodes onto silicon and glass substrates. High speed photography is used to provide experimental evidence of thermo-mechanically driven release.

Process of depositing a metallic pattern on a medium, said process comprising: generating pulsed laser beams from a pulsed laser source, wherein the laser beams have a wavelength for which the medium is substantially transparent, focussing the laser beams onto a target layer comprising inorganic particles, dispersed in a laser light degradable/combustible organic matrix, said target layer producing ejecta in response to an interaction of said laser beams and said target layer, accumulating at least a portion of said ejecta on said medium within the desired pattern, providing the pattern by electroless metal plating. The invention further relates to a transparent medium comprising a metallic pattern wherein the adhesion between the metallic pattern and the medium is at least 5N/cm.

Pattern transfer sheets and methods are provided for printing paste patterns (e.g., thin fingers) with a high aspect ratio and for increasing throughput in pattern transfer printing. Trenches in the pattern transfer sheets, that are configured to be filled with printing paste and to enable releasing the printing paste from the trenches onto a receiving substrate upon illumination by a laser beamare coated internally by a coating configured to disintegrate upon the illumination. The coating is configured to enhance the releasing of the pasteincreasing throughput and printing accuracy. The receiving substrate may be cleaned after paste deposition by removing disintegration products of the coating therefrom. Alternatively or complementarily, laser absorbing dye may be mixed into the printing paste to facilitate its release from the trenches.

A system for performing substrateless and/or local donor Laser Induced Forward Transfer (LIFT), comprising a reservoir (9) comprising at least one opening; and an energy source configured to deliver energy to a donor material within said reservoir. In preferred embodiments of the invention, the energy source is a pulsed laser. This system enables deposition of material by LIFT without any need for a donor substrate. Methods of substrateless and local donor LIFT are also disclosed.

A transfer printing process that exploits the mismatch in mechanical or thermo-mechanical response at the interface of a printable micro- or nano-device and a transfer stamp to drive the release of the device from the stamp and its non-contact transfer to a receiving substrate are provided. The resulting facile, pick-and-place process is demonstrated with the assembling of 3-D microdevices and the printing of GAN light-emitting diodes onto silicon and glass substrates. High speed photography is used to provide experimental evidence of thermo-mechanically driven release.