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US 5,493,405 AGranted
Spectrophotometer cell having an intermediate wall member and an integral lens
AssigneeOptiglass Limited
InventorKeith Hulme
Life of this patent
Estimating the term…
Abstract
A cell for measuring the spectrum of a sample in a light beam of a spectrophotometer, comprises an incident wall member 17 and an exit wall member 15 spaced therefrom to define therebetween a sample chamber 14 extending between internal faces of the internal and exit wall members, the incident wall member including a window 18 with a lens 19 adapted to concentrate the light beam incident thereon into the sample chamber 14.
Claims12
A cell for measuring a spectrum of a sample in a light beam of a spectrophotometer, said cell comprising:
- a substantially solid unitary member having an incident wall surface in a spaced relationship to an exit wall surface;
- an intermediate wall member arranged between the incident wall surface and the exit wall surface;
- a sample chamber extending through the unitary member and defined between the intermediate wall member and the exit wall surface;
- at least one window adjacent the sample chamber arranged to enable the light beam to pass through the sample chamber;
- and
- a lens fixed with and incorporated in the unitary member and arranged to focus the light beam into the sample chamber.
3 more elements
Dependencies are inferred from the claim text.