Nivarox-FAR S.A.

A horology component including a substrate ( 2 ), a first interference layer ( 4 ) in contact with the substrate ( 2 ) and a second interference layer ( 3 ) covering the first interference layer ( 4 ). The interference layer ( 4 ) has a thickness between 3 nm and 250 nm and is made of a first material that is transparent to the luminous spectrum in the visible range between 380 nm and 780 nm. The first material has a refractive index n less than or equal to 2 over the entire the visible range. The second interference layer ( 3 ) has a thickness between 3 nm and 80 nm and is made of a second material having a refractive index n and an absorption coefficient k respectively reaching a value greater than or equal to 3 and greater than or equal to 0.5, over at least part of the visible range.

A solar cell for an electronic device including a substrate made of a transparent material to be exposed to incident light, a first electrode made of transparent electrically conductive material, formed on one face of the substrate and including an inner face opposite an outer face oriented towards the substrate, the inner face including a first portion having a roughness greater than the roughness of a second portion, an absorbent layer extending by an outer face over the first portion of the inner face of the first electrode, a second electrode made of an electrically conductive material and extending over an inner face of the absorbent layer opposite the outer face of the latter, the absorbent layer and the second electrode being perforated to delimit blind cavities, the bottom of each being formed by the second portion of the inner face of the first electrode.

A winding device ( 1 ), in particular for a barrel ( 2 ) provided with a spring, including a ratchet ( 3 ) mounted on a rotary winding shaft ( 5 ), the rotary winding shaft ( 5 ) being, for example, a winding shaft of the barrel ( 2 ), the rotation of which coils the barrel ( 2 ), and a winding gear train ( 4 ) meshing with the ratchet ( 3 ), the rotation of the winding gear train ( 4 ) causing the rotation of the ratchet ( 3 ) and that of the rotary winding shaft ( 5 ) by applying a torque to the ratchet ( 3 ), the winding device ( 1 ) being provided with means ( 10 ) for disconnecting the ratchet ( 3 ) and the rotary winding shaft ( 5 ), wherein the disconnection means ( 10 ) are arranged on the ratchet ( 3 ) and on the rotary winding shaft ( 5 ), and are configured to disconnect the ratchet ( 3 ) and the rotary winding shaft ( 5 ) when the torque applied to the ratchet ( 3 ) substantially exceeds a threshold value, in particular when the barrel ( 2 ) is fully coiled.

A method for manufacturing an oscillating member having a structural characteristic with a predetermined value, the method including a determination step ( 31 ) in which a value of a structural characteristic of an oscillating member ( 2 ) formed in a plate ( 1 a , 1 b ) is determined from a generation substep ( 39 ) in which this value is generated on the basis of a predictive algorithm applied by a computer ( 8 ) to process at least one characteristic of an identified resonance frequency of the oscillating member ( 2 ) when it is exposed to vibratory excitation in an optical measurement substep ( 38 ) and a modification step ( 42 ) in which the dimensions of the oscillating member ( 2 ) are modified on the basis of a dimensional correction calculated on the basis of the value of the determined structural characteristic.

A method for manufacturing a set of mechanical resonators ( 2 a ) having structural characteristics with an average value within a predetermined range, the method including a step in which the mechanical resonators ( 2 b , 2 c ) and at least one oscillating member are formed ( 20 ) in the plate ( 1 ) ( 10 a, 10 b, 10 c ) and a step in which the dimensions of the resonators ( 2 a ) formed are modified ( 28 ) based on dimensional corrections calculated to obtain the set of resonators ( 2 a ) having structural characteristic values within the predetermined range of values.

A method for manufacturing a set of mechanical resonators ( 2 a ) having structural characteristics with an average value comprised within a predetermined range of values, the method providing for the formation ( 21 ), in a plate ( 1 ), of mechanical resonators ( 2 b , 2 c ) and of oscillating members ( 10 a , 10 b , 10 c ) and the calculation ( 26 ) of dimensional corrections to be applied to the resonators ( 2 b , 2 c ) formed based on the value determined for the structural characteristic, and then a modification ( 28 ) of the dimensions of the resonators ( 2 b , 2 c ) formed, based on the dimensional corrections calculated, to obtain the set of resonators ( 2 a ) having structural characteristic values comprised within the predetermined range of values.

A method for manufacturing a pallet for an escapement system.

An elastic fastening element for holding a timepiece component on a support element, including an opening the contour of which includes at least four contact areas for receiving and clamping the support element in the opening, the contact areas each being included on an inner face of a deformable portion provided with a through-hole of the fastening element.

A method for manufacturing an oscillator for a timepiece made from a balance and a balance spring, the method including measuring the average moment of inertia of a batch of balances; providing pinned up balance springs, the balance springs having an excess number of coils forming up to three more turns than the final number of coils; making a first predetermined external cut of the balance springs over a length of one to two coils, then measuring the torque of the balance springs and sorting them according to the value of the measured torque; assembling the balance springs, whose measured torque corresponds to the balances, are assembled to form an oscillator with an intermediate frequency and to determine the length to be cut to achieve the desired oscillation frequency; making a second external cut of the balance springs selected to achieve both the desired oscillation frequency and a target value.

An attachment monolithic part for fastening a timepiece component on a support element, including an opening into which the support element could be inserted, the attachment part including elastic arms contributing to ensuring an elastic clamping of the support element in the opening, each arm consisting of a contact portion provided with a through hole and with a connecting portion, the contact portion including a receiving region provided with a bearing area intended to come into contact with the support element and the connecting portion ensuring an elastic connection with another one of the arms of the part.