Magnetic core, method for producing a magnetic core and method for producing an electric or electronic assembly with a magnetic core

Patent metadata

Field	Value
Publication number	US-9864941-B2
Application number	US-201614996512-A
Country	US
Kind code	B2
Filing date	Jan 15, 2016
Priority date	Jan 16, 2015
Publication date	Jan 9, 2018
Grant date	Jan 9, 2018

Abstract

Magnetic core made of soft magnetic material with a data medium attached to, mounted on or integrated in the magnetic core, with data in machine-readable form being stored on the data medium, the data representing at least one magnetic parameter of the magnetic core or its corresponding electrical parameter, measured at at least two different temperatures.

First claim

The invention claimed is:

1. A magnetic core made of soft magnetic material including a data medium coupled to the magnetic core storing data in machine-readable form representing at least one of an individualized magnetic parameter of the magnetic core and a corresponding individualized electrical parameter previously measured at at least two different temperatures.

2. The magnetic core of claim 1 , where the data stored in machine-readable form also comprises the temperatures that correspond to each value of magnetic parameter.

3. The magnetic core of claim 1 , where the data stored in machine-readable form for every measured value of the individualized magnetic parameter also comprises at least one corresponding measurement tolerance.

4. The magnetic core of claim 1 , where the individualized magnetic parameter of the magnetic core is its magnetic permeability.

5. The magnetic core of claim 1 , where the magnetic core is made of soft magnetic tape.

6. The magnetic core of claim 1 , where the soft magnetic material is amorphous or nanocrystalline material.

7. The magnetic core of claim 1 , where the magnetic core is wound in at least one wire winding.

8. The magnetic core of claim 7 , where the corresponding individualized electrical parameter is the inductivity of the wound magnetic core.

9. The magnetic core of claim 1 , where the data medium is a sticker, foil or pad, on or in which the data in machine-readable form is stored as an optical bar code or textured matrix code.

10. The magnetic core of claim 1 , where the data medium is lacquer coating applied to the magnetic core, the coating having the form of an optic bar code or a textured matrix code for the storage of the data in machine-readable form.

11. The magnetic core of claim 1 , where the data medium is a semiconductor chip and the data in machine-readable form is stored on the semiconductor chip as binary words.

12. A method for the manufacture of an electronic assembly with a magnetic core made of soft magnetic material including a data medium coupled to the magnetic core storing data in machine-readable form representing at least one of an individualized magnetic parameter of the magnetic core and a corresponding individualized electrical parameter previously measured at least two different temperatures, the method comprising:
automatically reading the at least one of the individualized magnetic parameter of the magnetic core and the corresponding individualized electrical parameter previously measured at at least two different temperatures from the data medium,
calculating at least one compensation value on the basis of at least one of the individualized magnetic parameter of the magnetic core and the corresponding individualized electrical parameter previously measured at at least two different temperature, and
adjusting the electric or electronic assembly in accordance with the at least one calculated compensation value.

13. The method of claim 12 , where, during the calculation of the at least one compensation value, a discrete or continuous progression over temperature of the at least one magnetic parameter of the magnetic core or its corresponding electrical value is determined from the stored collected data.

14. The method of claim 13 , where, during the determination of the discrete or continuous progression over temperature of the at least one magnetic parameter of the magnetic core or its corresponding electrical parameter, further data is interpolated.

15. A method for the manufacture of a magnetic core made of soft magnetic material including a data medium coupled to the magnetic core storing data in machine-readable form representing at least one of an individualized magnetic parameter of the magnetic core and a corresponding individualized electrical parameter previously measured at at least one first temperature and at one different second temperature, the method comprising:
measuring a first value of the at least one of the individualized magnetic and the corresponding individualized electrical parameter of the magnetic core at the first temperature and producing a first representative data from the measured first value;
measuring a second value of the at least one of the individualized magnetic and the corresponding individualized electrical parameter of the magnetic core at the second temperature and producing a second representative data from the measured second value; and
storing the first and second representative data on the data medium.

16. The method of claim 15 comprising in addition: producing third data representing the first temperature; producing fourth data representing the second temperature; and storing the third and fourth data on the data medium.

17. The method of claim 15 where the data to be stored is stored in a semiconductor memory arranged on or in the magnetic core.

18. The method of claim 15 where the data to be stored is applied to the magnetic core in the form of an optic bar code or a matrix code.

19. The method of claim 15 where the data to be stored is integrated in or applied on the sticker, foil or pad in the form of an optic barcode or a matrix code and the sticker, foil or pad is mounted on the magnetic core.

Assignees

• Vacuumschmelze Gmbh & Co Kg

Inventors

• Hundt Harald
• Wehring Markus
• Friedenberger Nina
• Kipper Achim

Classifications

• G06K19/06187 Primary

  with magnetically detectable marking · CPC title

• H01F41/0226

  from amorphous ribbons · CPC title

• G06K19/06028

  using bar codes · CPC title