Abstract: 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.

Abstract: An inertial mass (1) intended to be mounted on a regulating organ (10), particularly of a horological movement, the inertial mass being configured to be subjected to a rotary oscillation movement at a predetermined frequency, the inertial mass including a rigid main body (2), characterised in that it comprises a flexible inertial element (3) assembled with the main body (2), the flexible inertial element (3) being configured to modify the geometry of the inertial mass (1) according to the oscillation amplitude. Also, a regulating organ and a horological movement comprising such an inertial mass.

Abstract: An embedded winding mechanism for a watch or an automatic watch. The watch or the automatic watch including a mainspring wheel configured to wind a mainspring, at least one electric motor and at least one oscillating weight. The embedded winding mechanism including at least one primary ratchet gear configured to mesh the mainspring wheel of the watch or an automatic watch when the at least one oscillating weight meshes the at least one primary ratchet gear, and at least one secondary ratchet gear configured to actuate the mainspring wheel of the watch or an automatic watch when the at least one electric motor actuates the at least one secondary ratchet gear.

Abstract: 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.

Abstract: 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.

Abstract: A method for maintaining and regulating frequency of a timepiece resonator mechanism around its natural frequency, the method including: at least one regulator device acting on the resonator mechanism with a periodic motion, to impose a periodic modulation of resonant frequency or quality factor or a position of a point of rest of the resonator mechanism, with a regulation frequency between 0.9 times and 1.1 times the value of an integer multiple of the natural frequency, the integer being greater than or equal to 2 and less than or equal to 10, and the periodic motion imposes a periodic modulation of the quality factor of the resonator mechanism, by acting on losses and/or damping and/or friction of the resonator mechanism.

Abstract: 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.

Abstract: A method for maintaining and regulating frequency of a timepiece resonator mechanism around its natural frequency, the method including: at least one regulator device acting on the resonator mechanism with a periodic motion, to impose a periodic modulation of resonant frequency or quality factor or a position of a point of rest of the resonator mechanism, with a regulation frequency between 0.9 times and 1.1 times the value of an integer multiple of the natural frequency, the integer being greater than or equal to 2 and less than or equal to 10, and the periodic motion imposes a periodic modulation of the quality factor of the resonator mechanism, by acting on losses and/or damping and/or friction of the resonator mechanism.

Abstract: 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.

Abstract: A compensating balance spring for a thermally compensated sprung balance resonator including a core formed from at least one non-metallic material. The core is partially coated with at least one layer which is moisture proof to render the balance spring less sensitive to climatic variations.

Abstract: A compensating balance spring for a thermally compensated sprung balance resonator including a core formed from at least one non-metallic material. The core is entirely coated with a layer which is moisture proof to render the balance spring less sensitive to climatic variations. The compensating balance spring can be applied to timepieces.

Abstract: 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.

Abstract: An element is arranged to cooperate with another part so as to form an encapsulation device for a component including the element at least partially coated with a metallization. The metallization includes at least one metal layer protected by an intermetallic compound which is coated by a non-diffused portion of a material whose melting point is lower than 250° C. A method of fabricating the encapsulation device is also disclosed.

Abstract: A method for manufacturing a component in a substrate including: a) modifying a structure of at least one region of the substrate to make the at least one region more selective; and b) chemically etching the at least one region to selectively manufacture the component.

Abstract: Method for creating a flexible, multistable element (5): a silicon component (S) is etched with a beam (P) connecting two ends (E1, E2) of a rigid mass (MU) having a cross-section more than ten times that of said beam (P), SiO2 is grown at 1100° C. for a duration adjusted to obtain, on said beam (P), a first ratio (RA) of more than 1 between the section of a first peripheral layer (CP1) of SiO2, and that of a first silicon core (A1), and, on said mass (MU), a second ratio (RB) between the section of a second peripheral layer (CP2) of SiO2 and that of a second silicon core (A2), which is less than a hundredth of said first ratio (RA); cooling to ambient temperature is performed, to deform said beam (P) by buckling when said mass (MU) cools and contracts more than said beam (P).

Abstract: A method for maintaining and regulating frequency of a timepiece resonator mechanism around its natural frequency, the method including: at least one regulator device acting on the resonator mechanism with a periodic motion, to impose a periodic modulation of resonant frequency or quality factor or a position of a point of rest of the resonator mechanism, with a regulation frequency between 0.9 times and 1.1 times the value of an integer multiple of the natural frequency, the integer being greater than or equal to 2 and less than or equal to 10, and the periodic motion imposes a periodic modulation of the quality factor of the resonator mechanism, by acting on losses and/or damping and/or friction of the resonator mechanism.

Abstract: A method for manufacturing a resonator in a substrate, including: a) modifying a structure of at least one region of the substrate to make the at least one region more selective; b) etching the at least one region to selectively manufacture the resonator.

Abstract: A pivot for a timepiece mechanism, including a first rotational guide member for radially holding an arbor in a plate, and a second front guide member for axially limiting an end of the arbor, and including at least one resilient shock absorber acting on at least the first rotational guide member and/or the second front guide member. The resilient shock absorber is made in a one-piece manner in a micromachinable material or in silicon or quartz or diamond with a structural element other than the first rotational guide member and the second front guide member.

Abstract: An intermittent blocking mechanism for at least one escape wheel, that intermittent blocking mechanism cooperating with at least one regulating member or a balance which is actuated with an alternate motion under action of an elastic return mechanism, the intermittent blocking mechanism being pivoted in at least one bottom plate, and forming an inseparable single-piece component with the bottom plate. The intermittent blocking mechanism includes at least one pallet lever in a single-piece with the plate to which it is connected by the elastic return mechanism.

Abstract: A method for manufacturing a composite compensating balance spring is provided, the method including providing a first wafer made of a first material; providing at least one second wafer made of at least one second material having Young's modulus variations with temperature that are of opposite sign as those of the first material; joining the first wafer to the at least one second wafer to form a substrate; etching a pattern through the substrate to form a composite compensating balance spring including a first thickness of the first material and at least a second thickness of the at least one second material; and releasing the composite compensating balance spring from the substrate.