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US 8,980,112 B2Granted
Method for renewing organic solvent, method for using organic solvent, and method for producing inkjet recording head
AssigneeCanon Kabushiki Kaisha
InventorsMasanori Jinnoh, Masashi Miyagawa
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Abstract
A method for renewing an organic solvent includes an ultraviolet irradiation step in which an organic solvent containing a resin is irradiated with ultraviolet rays so as to enhance the ability of the organic solvent to dissolve the resin. A method for using an organic solvent and a method for producing an inkjet recording head utilize the method for renewing an organic solvent.
Claims8
A method for renewing an organic solvent, the method comprising:
- an ultraviolet irradiation step in which an organic solvent containing a resin is irradiated with ultraviolet rays so as to enhance an ability of the organic solvent to dissolve the resin,
- wherein:
- the resin is a polyketone resin;
- the organic solvent is an ester solvent;
- and
- the wavelength of the ultraviolet rays is 250 nm or more and 350 nm or less.
3 more elements
Dependencies are inferred from the claim text.