Ruby Balls

[RUB10]

BETSA® has provided the High pressure community with ruby balls for in situ pressure measurement for over 35 years.

BETSA® ruby balls sample showing their perfect spherical shape and their wide size distribution from 3 to 50μm

Seat and Rocker

[S —]

Pieces & replacement parts for MDAC

Its parts are adapted for the MDAC and the diamond anvil. They are manufactured according to the need for pressure and temperature in Tungsten Carbide, Titanium Diboride or Zirconia

for very low and very high temperatures and also experiments in magnetism.

WC (tungsten carbide)

WC seats with flat top for standard anvils design

WC seat for conical anvils

WC seats with drilling

WC rocker with special flat top

Support plate seat Tungsten carbide

TiB2 (titanium boride)

TiB2 Seats for High temperature

Support plate seat dedicated for Very High Temperature (1200°C continuous)

ZrO2 (zirconia)

ZrO2 seat crimped into support part

Support plate seat dedicated to non-magnetic experiments at very high temperature

Screws and Junction

[092 —]

These elements serve as a junction and connection for Membrane DACs [MDAC].

Small in size, these Screws, Olives and junctions allow connection at 200 bar in a wide temperature range.

Fitting right junction BETSA®

Fitting right junction Inconel

Hex screw BETSA®

Olive BETSA®

Membranes

[MEMB –]

BETSA® offers a wide range of membranes for [MDAC]

These are available depending on the environment of the experiment, low or high temperature and also for non-magnetic experiments with a suitable material

Membrane SCREW junction

This membrane is dedicated to experiments at room temperature and high temperature up to 800°C, it has a screw junction. Sealing to 200 bar.

Membrane SOLDERED junction

Specially designed for a Ø35mm cryogenic cell, this membrane has no optical access and can also be designed in CuBe for non-magnetic

Membrane LATERAL junction

Specially designed for a user’s own DAC, this membrane is very thin (1.8 mm). Sealing to 200 bar.

Special membranes

on request

Gasket

[JT –]

BETSA® offers gaskets in different shapes, usually circular or square and thicknesses from 150 µm up to 500 µm.

The materials offered are stainless steel, beryllium copper, rhenium and Inconel. Other materials such as copper 101, WC are possible.

We have the ability to make exotic shapes

Do not hesitate to ask us

Capillaries

[CAP –]

The offered capillaries are used for pressure junctions between pneumatic drive systems and membranes.

The small size, weight, and portability of the [PDS] allow its use in a variety of environments.

Micro-Valve

[VAL –]

Micro-valves are essential to separate the Membranes from the pressure controller and keep the pressure constant up to 200 bar.

BETSA® micro-valves are made of materials ensuring a long lifespan (assembly-disassembly), and are available to operate from 1K to 800K, and also for non-magnetic experiments.

Micro-Valve 1 screw

works at room temperature includes a hex screw and an olive for a 1/16 diameter capillary

Micro-Valve 2 screw

works at room temperature includes two hex screws and two olives for a 1/16 diameter capillary

Micro-Valve 2 screw Low temperature

works at Low Temperature 4K includes two hex screws and two olives for a 1/16 diameter capillary

Micro-Valve 2 screw Low temperature non-magnetic

works at Low Temperature 4K includes two hex screws and two olives for a 1/16 diameter capillary, the body is titanium

Micro-valve seal rubber

Micro-valve seals are replacement parts for micro valves operating at room temperature

Micro-valve seal Stainless steel

Polished micro-valve closing screw

This polished pressure screw in contact with the closing membrane disc allows the pressure to be maintained up to 200 bar and thus allows the micro valves to be disconnected

Diamond Anvils

[DIA –]

BETSA® offers diamond anvils for cells of any shape, standard or conical, as well as windows.

BETSA® has several suppliers in order to offer the most suitable product according to the price of the moment and the availability of stocks, BETSA® also can propose the assembly, gluing and adjustment of your diamond anvils

Diamond Anvil: Design: Height: depends on culet size — Bevel: X-ray aperture: Culet size: Oriented: Birefringence selection: Raman fluorescence:

Measure your gasket thickness

[MEJ01]

The MEJ01 was designed to ease the measurement of the thickness of indented gaskets.

There is no risk of deforming the gaskets with the steel points.

Mechanical features: – Resolution: 0.001 mm – 0.00005” – Mechanical aperture 6.35mm – 1/4” – XY setting of the lower point. – Interchangeable conical points. – Conical point tip size: Ø 0.50 mm – External sizes: W= 65mm. D=120mm. H=190mm.

Other features: – Switchable mm/inch. – Zero setting. – Setting limits and values. – Digital Display, analog mode and high resolution. – Full-screen LCD. – Auto-off.

MDAC Washer

[095 –]

Compensation washers are used for the union between the membranes and the MDAC.

They are offered in several thicknesses to compensate the deformation of the membrane and are available in several materials

MDAC Washer for RT — MDAC Washer for RT 3.3 mm — MDAC Washer for HT

Guidance Dowel

[901 –]

The BETSA® design uses 4 Guidance dowels per DAC. They guide the movement on the Z axis with extreme precision.

BETSA® offers Guidance dowels in different alloys depending on the experimental environment.

It is possible to make thermal and surface treatments to improve the operating conditions.

Guidance dowel in treated steel, high-temperature Inconel or Beryllium copper, of different length and Ø, with anti-oxidation, heat or PTFE (Teflon) treatment. This is all that BETSA® offers for these MDACs.

The 1–3 µm grinding quality of these guidance dowels can lead, depending on the case, to an aid in disassembly after high temperatures or to obtain an accuracy of 0.1µm.

Other sizes on request

Extractor

[EX –]

Extractors are simple and effective tools essential for separating the piston from the cylinder of MDAC BETSA®.

The tight fit of the guidance dowels and high temperatures may cause them to require assistance in unblocking.

Made of extra hard plastic, the extractors allow parts to be separated without leaving a mark.

Pump

[PUMP01]

If BETSA uses a pump to remove the dielectric liquid in the tank of the drill EDM [MH20M], it is for 2 reasons.

The 1st is that the tank contains a few milliliters of electric oil, this is enough oil to hold the drilling dust: it does not settle around the hole but disperses through the whole liquid, which lowers its concentration and improves the sparks.

The second is to remove the liquid without using absorbent papers and to have your fingers full of it.

Peristaltic Pump

Abrasive tool

[PONC01]

Abrasive tool [PONC2] for electrode used in MH20 spark eroder

Abrasive tool for electrode used in MH20M spark eroder

Watch the video

Crimping tool

[SERT01]

Type II electrodes used with the recent (*) MH20 spark eroder are provided by BETSA® (ref. ELEC2).

The crimping tool is provided for users who want to make the type II electrode by themselves. (*) or old MH20 equipped with a new drilling head TP1.

Crimping length: 5 mm. Length of the tungsten electrode: About 5 mm (can be adapted to the electrode diameter).

Making electrodes requires: -50 mm straight and rigid stainless steel capillary. (1.6mm O.D. , Adapted mm I.D.) -One tungsten electrode. (length 10 mm)

Crimping tool [SERT1] for type II electrode

Electrodes

[ELEC –]

The electrodes are elements for drilling gaskets in our EDM drill and are very easy to exchange

A needle is used for drilling from 10μm to 50μm.

List of Type II electrodes: Electrode Needle radius 2 to 5 µm.

Electrode Ø: 50µm — 80µm [ELEC80] — 100µm [ELEC100] — 125µm [ELEC125] — 150µm [ELEC150] — 200µm [ELEC200] — 250µm [ELEC250] — 300µm [ELEC300] — 380µm [ELEC380] — 500µm [ELEC500]

Never sand electrodes below 125 µm.