4results about How to "Large encoding capacity" patented technology

The invention discloses three-bond-containing Raman ink capable of achieving 3D printing and a preparation method and application of the three-bond-containing Raman ink. The three-bond-containing Raman ink comprises a coloring agent, a binder, a cross-linking agent and a photoinitiator, the coloring agent is a polymer microsphere, and a branch chain of a polymer comprises a carbon-carbon three bond or a carbon-nitrogen three bond. The three-bond-containing Raman ink has a strong Raman scattering signal, is invisible to naked eyes, has a good invisible effect and good stability, and is not easy to imitate. Controllable arrangement of the Raman active polymer in a confinement space is achieved by means of the 3D printing technology, and a series of super Raman passwords are formed.

A dot matrix code generation and decoding method belongs to the field of dot matrix code technology. A dot matrix code generation method includes the following steps: obtaining original coding data; obtaining an optimal seed value and an optimal number of copies according to the original coding data; converting the original coding data into a digital sequence according to the optimal seed value and the optimal number of copies; converting the digital sequence into a coding array; generating a dot matrix code image according to the coding array. The present application introduces an optimal seed value and an optimal number of copies in the generation of dot matrix codes, which is beneficial to reducing the recognition error rate of small-size dot matrix codes and facilitating the miniaturization of dot matrix codes.

The invention discloses a rare earth up-conversion red-green-blue fluorescence coding microsphere, which adopts a modified olefin-norbornene copolymer as a matrix material and adopts red, blue or green rare earth up-conversion luminescence nanocrystals as a fluorescence coding material. The invention also discloses a preparation method of the rare earth up-conversion red-green-blue fluorescence coding microspheres, which comprises the following steps: modifying an olefin-norbornene copolymer, and blending the modified olefin-norbornene copolymer with up-conversion luminescence nanocrystals to obtain a uniform blend; the core layer is inserted into a cladding material to prepare a prefabricated rod, and then the prefabricated rod is subjected to hot drawing to prepare fibers; and then, the fibers are subjected to heat treatment to obtain the polymer fluorescent microspheres with the coding function. According to the method disclosed by the invention, the fluorescence type and intensity of the fluorescence coding microspheres and the particle size of the microspheres can be controlled as required, the preparation process is simple, the method is suitable for large-scale production, the fluorescence performance is stable, and the method can be used for detecting cells, proteins or other molecules in biological samples.

The application discloses a rare earth up-conversion red-green-blue fluorescent coding microsphere, adopts a modified olefin-norbornene copolymer as a matrix material, and adopts red, blue or green rare earth up-conversion luminescent nanocrystals as a fluorescent coding material. The application further discloses a preparation method of the rare earth up-conversion red-green-blue fluorescent coding microsphere. The modified olefin-norbornene copolymer is blended with the up-conversion luminescent nanocrystals to obtain a uniform blend, and the blend is hot-pressed into a rod-shaped core layer which is inserted into a cladding material to form a preform rod, and then the preform rod is hot-drawn into a fiber, and then heat treatment is carried out to obtain a polymer fluorescent microsphere with a coding function. The method can control the fluorescent type and intensity of the fluorescent coding microsphere and the particle size of the microsphere according to requirements, the preparation process is simple, the method is suitable for large-scale production, the fluorescent performance is stable, and the method can be used for detecting cells, proteins or other molecules in biological samples.