Nivarox-far S.a.

The Swatch Group Research and Development Ltd

Philippe Dubois

Christian Charbon

Thierry Hessler

Yves Winkler

Pierre Cusin

Daniel Mallet

David Richard

Sebastiano Merzaghi

Thierry Conus

Cedric Faure

Cédric Faure

Rudy Charlery

A substrate for forming timepiece components includes a first part based on photostructurable glass and at least a second part based on at least one second material. One surface of the first part is made integral with a surface of the second part so as to form a one-piece timepiece component.

Timepiece component based on photostructurable glass

A method for fabrication of a micromechanical part made of a one-piece synthetic carbon allotrope based material, the method including: forming a substrate with a negative cavity of the micromechanical part to be fabricated; coating the negative cavity of the substrate with a layer of the synthetic carbon allotrope based material in a smaller thickness than the depth of the negative cavity; and removing the substrate to release the one-piece micromechanical part formed in the negative cavity.

One-piece, hollow micromechanical part with several functional levels formed of a synthetic carbon allotrope based material

A method for manufacturing a micromechanical timepiece part starting from a silicon-based substrate, including, providing a silicon-based substrate, forming pores on the surface of at least one part of a surface of the silicon-based substrate of a depth of at least 10 &#x3bc;m, preferably of at least 50 &#x3bc;m, and more preferably of at least 100 &#x3bc;m, the pores being designed in order to open out at the external surface of the micromechanical timepiece part. A micromechanical timepiece part including a silicon-based substrate which has, on the surface of at least one part of a surface of the silicon-based substrate, pores of a depth of at least 10 &#x3bc;m, preferably of at least 50 &#x3bc;m, and more preferably of at least 100 &#x3bc;m, the pores being designed in order to open out at the external surface of the micromechanical timepiece part.

Method for manufacturing a micromechanical timepiece part and said micromechanical timepiece part

The invention relates to an external part including a first portion based on photostructurable glass, at least one second portion based on at least one second material. According to the invention, one surface of the first portion is made integral with a surface of the second portion so as to form a one-piece external part.

External part based on photostructurable glass

A method for manufacturing a micromechanical timepiece part starting from a silicon-based substrate, including, forming pores on the surface of at least one part of a surface of said silicon-based substrate of a determined depth, entirely filling the pores with a material chosen from diamond, diamond-like carbon, silicon oxide, silicon nitride, ceramics, polymers and mixtures thereof, in order to form, in the pores, a layer of the material of a thickness at least equal to the depth of the pores. A micromechanical timepiece part including a silicon-based substrate which has, on the surface of at least one part of a surface of the silicon-based substrate, pores of a determined depth, the pores being filled entirely with a layer of a material chosen from diamond, diamond-like carbon, silicon oxide, silicon nitride, ceramics, polymers and mixtures thereof, of a thickness at least equal to the depth of the pores.

A temperature-compensated resonator including a body used in deformation, and a core of the body is formed by a material that is one of glass, ceramic glass, technical ceramic, and metallic glass. At least one part of the body includes a coating whose Young's modulus variation with temperature is of an opposite sign to that of the material used for the core, so that at least a first order frequency variation with temperature of the resonator is substantially zero.

Ceramic temperature-compensated resonator

A micromechanical timepiece part includes a silicon-based substrate having at least one surface, at least one part of the surface having pores which open out at the external surface of the micromechanical timepiece part and the pores include a tribological agent. A method for producing a micromechanical timepiece part starting from a silicon-based substrate, the silicon-based substrate having at least one surface, at least one part of which is lubricated by a tribological agent, the method includes the steps of forming pores on the surface of the part of the surface of the silicon-based substrate, and depositing the tribological agent in the pores.

Micromechanical timepiece part comprising a lubricated surface and method for producing such a micromechanical timepiece part

The invention relates to a one-piece metal component including an electroformed metal body, the external surface of the body including, only over or to a predetermined depth, less trapped hydrogen than the rest of the electroformed metal body causing a hardening relative to the rest of the body in order to improve the wear resistance of the one-piece component while preserving a relative magnetic permeability of less than 10 and the ability to be driven or pressed fit.

One-piece electroformed metal component

A method of forming a decorative surface on a micromechanical timepiece part including a silicon-based substrate, including at least one step a) of forming pores () on the surface of the silicon-based substrate over a zone of the silicon-based substrate which corresponds to the decorative surface to be formed, the pores being designed to open out at the external surface of the micromechanical timepiece part. A micromechanical timepiece part including a silicon-based substrate, and having, over at least one zone of the silicon-based substrate, pores which are formed in the zone of the silicon-based substrate and open out at the external surface of the micromechanical timepiece part in order to form a decorative surface over the zone.

Method of forming a decorative surface on a micromechanical timepiece part and said micromechanical timepiece part

The invention relates to a timepiece assortment including a timepiece component fixed to an arbor with the aid of a fixing element. According to the invention, the fixing element is made of at least partially amorphous metal alloy, is secured to the timepiece component by partial insertion and includes a hole into which the arbor is driven.

Timepiece assortment using an amorphous metal alloy

The invention relates to a composite component comprising an element with an opening into which extend stressed resilient means confined within a volume of an at least partially amorphous metal alloy, said composite component comprising a passage that, is centered with respect to said stressed resilient means.

Composite component with stressed resilient means

A timepiece mechanism including a pair of components with a first component including a material taken from a first group including solid monocrystalline, natural diamond, micro- or nano-crystalline CVD diamond, solid monocrystalline diamond, and amorphous carbon 'DLC', and having a first friction surface arranged to cooperate with a second friction surface included in a second opposing component and the second component includes, at least in its second friction surface, a material with a high concentration of boron, greater than 10 atomic percent, and, in a particular embodiment, this second opposing component includes at least one ceramic containing boron. Method for manufacturing such a mechanism. Method for transforming such a mechanism.

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Marin, Switzerland

Philippe Dubois