# US 2019/0168445 A1 · Manufacturing process of a positioning control tool via 3d-printing technology

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- Number: US 2019/0168445 A1
- Document ID: US20190168445A1
- Status: Published application
- Kind: A1
- Application number: 16/205,578
- Filed: 2018-11-30
- Published: 2019-06-06
- Earliest claimed: 2017-12-01
- Assignees: Airbus Operations S.L.
- Applicants: Airbus Operations S.L.
- Inventors: Alvaro JARA RODELGO; Alvaro TORRES SALAS; Elena MOYA SANZ; Paloma LLORENTE GARCIA
- Web page: https://patentgrep.com/patent/US20190168445A1

## CPC

- B29C 64/118: using filamentary material being melted, e.g. fused deposition modelling [FDM]
- B33Y 10/00: Processes of additive manufacturing
- B33Y 30/00: Apparatus for additive manufacturing; Details thereof or accessories therefor
- B33Y 70/10: Composites of different types of material, e.g. mixtures of ceramics and polymers or mixtures of metals and biomaterials
- B33Y 80/00: Products made by additive manufacturing
- G01C 19/5698: using acoustic waves, e.g. surface acoustic wave gyros
- H05K 3/0014: {Shaping of the substrate, e.g. by moulding}
- H05K 3/1275: {by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing}
- H10N 30/06: Forming electrodes or interconnections, e.g. leads or terminals
- H10N 30/077: by liquid phase deposition
- H10N 30/302: {Sensors}
- H10N 30/875: {Further connection or lead arrangements, e.g. flexible wiring boards, terminal pins}
- B29K 2055/02: ABS polymers, i.e. acrylonitrile-butadiene-styrene polymers
- B29K 2067/046: {PLA, i.e. polylactic acid or polylactide}
- B29K 2507/04: Carbon
- B29K 2995/0005: Conductive
- B29K 2995/0007: Insulating
- B29L 2031/752: {Measuring equipment}
- H05K 3/0091: {Apparatus for coating printed circuits using liquid non-metallic coating compositions}
- H05K 3/1241: {by ink-jet printing or drawing by dispensing}
- H05K 3/4664: {Adding a circuit layer by thick film methods, e.g. printing techniques or by other techniques for making conductive patterns by using pastes, inks or powders (H05K3/4647 takes precedence)}
- H05K 2201/026: Nanotubes or nanowires
- H05K 2201/0323: Carbon
- H05K 2203/0126: Dispenser, e.g. for solder paste, for supplying conductive paste for screen printing or for filling holes
- H05K 2203/107: Using laser light
- H05K 2203/163: Monitoring a manufacturing process
- B29C: SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING (making preforms B29B11/00; making laminated products by combining previously unconnected layers which become one product whose layers will remain together B32B37/00 - B32B41/00)
- B33Y: ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)
- H05K: PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H10N: ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- B29K: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR {MOULDS, } REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29L: INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES

## Abstract

A manufacturing process to form a positioning control tool, such as a gyroscope, by using a three-dimensional (3D) printer printing a polymer material mixed with powdered graphene (12a) components (410) on a piezoelectric substrate (205), the components (410) include: a resonator (411) transducer configured to create a first surface acoustic wave (215); a pair of reflectors (412a, 412b) configured to reflect the first surface acoustic wave (215); a structure (413) which, when subjected to a Coriolis force, creates a second surface acoustic wave (230); a first sensor transducer (414) configured to sense the second surface acoustic wave (230); and a second sensor transducer (415) configured to sense a residual surface acoustic wave from a second region of the surface (210) of the piezoelectric substrate free of the structures that respond to the Coriolis force.

## Claims

### Claim 1

A method to 3D print a gyroscope, wherein the method includes:
3D print an insulating 3D-printing polymer material to form a first part of a frame for the gyroscope;
3D print a polymer material mixed with powdered graphene on the first part of the frame to form a piezoelectric substrate;
3D print a pattern on the piezoelectric substrate, wherein the pattern has apertures;
3D print a polymer material mixed with powdered graphene to form components on the piezoelectric substrate and using the pattern, wherein the printed components include:
a resonator transducer configured to create a first surface acoustic wave on a surface of the piezoelectric substrate;
a pair of reflectors configured to reflect the first surface acoustic wave to form a standing wave within a first region of the surface and between the pair of reflectors;
a structure within the first region wherein the structure is subject to a Coriolis force to create a second surface acoustic wave on the piezoelectric substrate;
a first sensor transducer disposed on the surface and configured to sense the second surface acoustic wave; and
a second sensor transducer disposed on the surface and configure to sense a residual surface acoustic wave from a second region of the surface, wherein the second region is separated form the structure, and the second sensor is configured to output a signal indicative of the residual surface acoustic wave; and
3D print insulating 3D printing polymer material to form a second part of the frame, wherein the second part and first part of the frame are assembled together to form the frame which supports the printed components and the piezoelectric substrate.

### Claim 2 (depends on 1)

The method according to claim 1, further comprising modifying a design of the first part or the second part of the frame prior to the printing of the first part or the second part.

### Claim 3 (depends on 1)

The method of claim 1, wherein the polymer material includes Polylactic Acid and/or Acrylonitrile Butadiene Styrene.

### Claim 4 (depends on 1)

The method of claim 1, further comprising 3D printing a circuit board partially or totally embedded within or on a surface of the first part or the second part of the frame.

### Claim 5 (depends on 4)

The method of claim 4, wherein the circuit board includes:
a set of sensors configured to be connected to the gyroscope to receive signals from at least one of the first and second sensor transducers;
a set of digital and/or analogic electronic components configured to respectively analyze digital or analogic signals from the set of sensors;
at least one Interface Human Machine configured to enable the a human operator and/or a computer system to communicate with the set of sensors; and
at least one conductive trace conductively connecting the set of sensors, the set of digital and/or analogic components, and the at least one Interface Human Machine.

### Claim 6 (depends on 5)

The method of claim 5, wherein the at least one of the set of digital and/or analogic components are formed by 3D printing of a polymer material mixed with powdered graphene.

### Claim 7 (depends on 6)

The method of claim 6, wherein the at least one of the set of digital and/or analog components is a 3D-printed Surface-Mount Component (SMT).

### Claim 8 (depends on 5)

The method of claim 5, further comprising 3D printing an antenna on one of the first part or the second part of the frame.

### Claim 9 (depends on 8)

The method of claim 8, wherein the antenna is an antenna for a Radio Frequency Identification device.

### Claim 10 (depends on 5)

The method of claim 5, wherein that the at least one conductive trace has a thermal conductivity and/or electrical conductivity.

### Claim 11 (depends on 5)

The method of claim 5, wherein the at least one Interface Human Machine is a buzzer and/or a display device.

### Claim 12

A method to make an instrument with a gyroscope, wherein the method includes:
printing, by a three-dimensional (3D) printer, an insulating polymer material to form a first part of a frame;
printing, by the 3D printer, a polymer material mixed with powdered graphene on a surface of the first part of the frame to form a piezoelectric substrate;
printing, by the 3D-printer, an insulating layer on the piezoelectric substrate wherein the insulating layer is printed in a pattern which has apertures in the insulating layer;
printing, by the 3D-printer, a polymer material mixed with powdered graphene to the gyroscope wherein the printed components of the gyroscope include:
a resonator transducer configured to create a first surface acoustic wave on the piezoelectric substrate;
a pair of reflectors configured to reflect the first surface acoustic wave to form a standing wave within a first region on the piezoelectric substrate and between the pair of reflectors;
a structure within the first region wherein the structure vibrates in response to a Coriolis force to create a second surface acoustic wave on the piezoelectric substrate;
a first sensor transducer disposed on the piezoelectric substrate and configured to sense the second surface acoustic wave; and
a second sensor transducer disposed on the piezoelectric substrate and configure to sense a residual surface acoustic wave from a second region of the piezoelectric substrate, wherein the second region is separated from the first region, and the second sensor is configured to output a signal indicative of the residual surface acoustic wave;
wherein at least one of the components is at least partially printed into one of the apertures of the pattern of the insulating layer, and
printing, by the 3D printer, and the insulating polymer material a second part of the frame, wherein the second part and first part are assembled together to form the frame which supports the piezoelectric printed components and the piezoelectric substrate.

### Claim 13 (depends on 12)

The method of claim 12, wherein the printing steps are performed with a three-dimensional printer.

### Claim 14 (depends on 12)

The method of claim 12, further comprising printing a circuit board with electronic components on one of the first and second parts of the frame.

### Claim 15 (depends on 14)

The method of claim 14 wherein the electronic components include:
a sensor configured to be connected to the gyroscope to detect signals from the first and/or second sensor transducers;
a electronic analyzer configured to respectively analyze signals from the sensor;
an Interface Human Machine configured to enable the a human operator and/or a computer system to communicate with the set of sensors; and
a conductive trace conductively connecting the sensor, the electronic analyzer, and the Interface Human Machine.