Laser-Markable Ink Labeling for High-Density Microscope Slides
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Solution Overview
Problem
Existing techniques for labeling microscope slides lack ample data density, reliability, and readability, with hand-writing being time-consuming and etching methods producing labels that are prone to data loss and airborne particulates.
Innovation Solution
The use of laser-markable ink that undergoes a chemical reaction when exposed to a laser beam, allowing for automatic labeling of microscope slides without etching the glass surface, and enabling human-readable, machine-readable, or both types of labels.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If etching techniques are used to label microscope slides, then data density is improved, but reliability deteriorates due to data loss and readability worsens due to rough edges
Solution Approach 1:
The patent introduces laser-markable ink as an intermediary layer between the laser beam and the glass slide surface. The ink absorbs laser energy and undergoes chemical changes (carbonization, color change) to create visible labels without directly etching the glass, thereby maintaining label integrity and preventing data loss while achieving high data density
Solution Approach 2:
The patent utilizes changes in the chemical and physical parameters of the laser-markable ink when exposed to laser radiation. The ink undergoes parameter changes including color change, carbonization, and chemical composition changes, which create durable, high-contrast labels that are both readable and reliable without etching the substrate
2Quantity of substance
If etching techniques are used to label microscope slides, then data density is improved, but harmful factors worsen due to airborne particulates
Solution Approach 1:
The laser-markable ink serves as a mediator that absorbs laser energy and undergoes chemical changes in place of direct glass etching. This prevents the generation of glass particulates and airborne contaminants while still achieving high data density labels, as the ink reacts without fragmenting the solid glass substrate
Solution Approach 2:
The patent replaces mechanical etching processes with a photochemical/thermal process using laser-markable ink. Instead of mechanically removing material to create labels, the laser energy induces chemical changes in the ink layer, eliminating mechanical particulate generation while maintaining label information density
3Reliability
If hand-writing techniques are used to label microscope slides, then reliability is maintained, but productivity deteriorates due to time consumption
Solution Approach 1:
The patent replaces manual handwriting with an automated laser marking system. The laser beam, controlled by computer software, automatically writes labels on microscope slides through chemical changes in the ink layer, eliminating manual labor while maintaining label quality and achieving high productivity through automation
Solution Approach 2:
The system utilizes controlled parameter changes in the laser-markable ink (color change, carbonization) to create labels automatically. By adjusting laser parameters such as power, speed, and pulse duration, the system can reliably produce consistent labels at high speed without manual intervention, resolving the contradiction between reliability and productivity
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method creates labels with high information density that are reliable, readable, and durable, without the drawbacks of etching, such as data loss and airborne particulates.
Implementation Method 1
exposing a patterned portion of the laser-markable ink on the microscope slide to a laser beam, thereby initiating a chemical reaction in the laser-markable ink to cause a change in color
Implementation Method 2
selecting a value for a parameter for the laser beam, wherein the parameter is selected from a set consisting of a wavelength, an energy density, a laser speed, a power, a frequency, a pulse length, a spot size, and a spot shape
Data Source
AI summary
Systems, methods, and devices for providing a labeling technique for microscope slides using laser-markable ink are described. In some embodiments, laser-markable ink may be applied to a microscope slide or a sheet comprising a plurality of microscope slides. A laser may be provided to a portion of the laser-markable ink to initiate a chemical reaction in the laser-markable ink. The chemical reaction may mark a surface of the microscope slide at the portion of the laser-markable ink. The surface of the microscope slide may be marked with information and/or machine-readable indicia without etching the surface of the microscope slide.