0.5 mm Recessed Quartz Cell: Positioning a Sample Surface

CUSTOM DESIGN GUIDES · C0.51WS

Powder may need levelling, a film may need supporting, and a small solid needs its illuminated region positioned correctly. Filling a deep liquid chamber may not address those tasks. C0.51WS provides an open 40 × 40 mm recess, 0.5 mm deep, in a 50 × 50 × 2 mm JGS1 quartz plate. Selection centres on loading and the specimen surface position during measurement.

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The recess changes how the specimen is loaded · Does a 0.5 mm recess give a 0.5 mm specimen layer? · Horizontal, tilted and vertical use need different retention · Locate the specimen surface before choosing a recess change · Project checks · Order or enquire

The recess changes how the specimen is loaded

A deep cuvette forms a measurement region by containing liquid. A recessed plate exposes an area for spreading powder, supporting a film or locating a solid. Suitability still depends on specimen form, optical arrangement and retention.

HORIBA’s solid-sample accessory guidance distinguishes powder, solids and front-angle measurements and provides position and angle adjustment. This illustrates why specimen location belongs in the measurement design; it does not establish that this plate includes an equivalent fixture.

Does a 0.5 mm recess give a 0.5 mm specimen layer?

Not necessarily. Recess depth is the distance from the floor to the surrounding step. The loaded surface may sit below, level with or above that step. Powder quantity, levelling and compaction change its position; a film also brings its own thickness and may contact the floor or rest on the edges.

The 0.5 mm value is therefore not an optical path, a guaranteed specimen thickness or a fixed loading volume. For reflection, oblique illumination or front-surface collection, specify the optical directions and the required surface position relative to the holder datum.

Horizontal, tilted and vertical use need different retention

With horizontal use, levelling and surface height may dominate. Tilting or standing the plate introduces movement or falling. A deeper recess may not solve that problem; retention, covering or edge support can need a separate design.

A supplied cover or seal is not established for this configuration. For a vertical holder, start with its drawing, permitted support edges and a specimen photograph before deciding whether the recess or supporting parts need to change.

C0.51WS · Current product specifications

Open engineering reference R01 and PDF

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Locate the specimen surface before choosing a recess change

Suppose a film must be measured in an existing holder and its loaded surface position matters. Provide the film thickness, actual support points and holder reference plane, then mark the illuminated region. This allows review of whether the existing recess fits the task or whether depth or support needs changing.

The open recess gives access to the specimen area, while loading and retention still need an arrangement suited to use. Horizontal and vertical mounting can pose different tasks: surface location in one case and specimen movement as well in the other. State retention or covering separately; a supplied cover is not established.

If the 50 × 50 mm footprint and 40 × 40 mm specimen area are suitable, list them as retained dimensions. Submit the required depth together with the target surface position and loading arrangement. Revised depth, tolerances and supporting parts need a project drawing rather than being treated as catalogue options.

Define both the recess and the loaded surface requirement

Agree geometric checks first, followed by a specimen and holder trial if required. These items are a starting point for the project; the 0.5 mm depth does not prescribe specimen thickness, optical path or loading quantity.

• Plate: Review the 50 × 50 × 2 mm plate and 40 × 40 mm recess separately, with the adopted revision and critical tolerances on the drawing.
• Recess: Use the surrounding step as the depth reference and agree the check method for 0.5 mm or the project depth. State any flatness or specific surface requirements separately.
• Load: Agree the specimen, levelling/support, orientation and surface datum, including who performs any loading trial and what is recorded.
• Extras: Additional covering or retention needs its own drawing. Agree conditions and availability before including background or measurement data in the project scope.