Patent ID: 11947096
Assignee: ALENTIC MICROSCIENCE INC.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 19:
20. An apparatus comprising:
a sensor structure comprising
an array of photosensitive elements, and
a sample surface arranged to receive a sample,

a light source arranged to illuminate the sample, and
electronics configured to process electrical signals from the array of photosensitive elements to derive an image representing the sample and to use the image to identify features of components within the sample,
the sensor structure comprising a dielectric coating between the array of photosensitive elements and the sample surface, the dielectric coating configured to protect the array of photosensitive elements from physical damage,
wherein the dielectric coating has a thickness such that the sample surface is within a distance from the array of photosensitive elements that is less than five times an average wavelength of light produced by the light source to derive the image.