Invention Grant
- Patent Title: System and method for laser induced forward transfer comprising a microfluidic chip print head with a renewable intermediate layer
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Application No.: US16605319Application Date: 2018-04-16
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Publication No.: US10940687B2Publication Date: 2021-03-09
- Inventor: Aryeh Batt , Amos Eitan , Ariel Eisenbach
- Applicant: Precise Bio Inc , Precise Bio 3D LTD
- Applicant Address: US NC Winston Salem; IL Hevel Modi'in
- Assignee: Precise Bio Inc,Precise Bio 3D LTD
- Current Assignee: Precise Bio Inc,Precise Bio 3D LTD
- Current Assignee Address: US NC Winston Salem; IL Hevel Modi'in
- Agency: The Webb Law Firm
- International Application: PCT/IL2018/050429 WO 20180416
- International Announcement: WO2018/193446 WO 20181025
- Main IPC: B41J2/14
- IPC: B41J2/14 ; B41M5/40 ; B41J2/045 ; B41M5/42

Abstract:
Methods and systems for Laser-Induced Forward Transfer are disclosed in which a microfluidic chip is used as the printing head. The head comprises a transparent upper region, a middle region comprising an intermediate layer channel and an ink channel in fluid connection with said intermediate layer channel, and a lower layer with an orifice in fluid contact with the ink channel. When material in the intermediate layer channel is irradiated by an energy source (typically a pulsed laser) at a spot opposite the orifice, the material is partially evaporated, creating a vapor bubble that creates a transient pressure increase when it collapses, thereby forcing ink out of the orifice and onto a receiving substrate.
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