A laser system and method for inspecting a substrate and/or a laser score formed in a moving web of material during laser processing of the material with a laser processing system having a laser source for generating a laser beam and a lens for focusing the laser beam and reflecting the laser beam onto the advancing web of material where the focal point is directed a selected location on the web to produce the score in the advancing web of material, the score having a depth less than the thickness of the material and measuring the depth at one or more locations on the advancing web of material concurrent with producing the score line and where the material may be a packaging material and the score provided for easy opening of the packaging.

A laser system and method for inspecting a substrate and/or a laser score formed in a moving web of material during laser processing of the material with a laser processing system having a laser source for generating a laser beam and a lens for focusing the laser beam and reflecting the laser beam onto the advancing web of material where the focal point is directed a selected location on the web to produce the score in the advancing web of material, the score having a depth less than the thickness of the material and measuring the depth at one or more locations on the advancing web of material concurrent with producing the score line and where the material may be a packaging material and the score provided for easy opening of the packaging.

According to an example aspect of the present invention, there is provided a device for a compass, the device comprising a support comprising a magnetic field detection means being mounted via a conical pivot bearing on a tip of a shaft, wherein the detection means is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, a direction indicator device connected to the magnetic field detection means, and wherein the support comprises an upper portion, a middle portion and a lower portion, the direction indicator device comprises an elongate plate with a direction indicator, wherein the middle portion of said support extends through an opening in the plate, the upper portion of said support comprises opposite first members extending over the top surface of said plate, and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, and said first and second members are vertically and pairwise aligned to form a first fork and a second fork for supporting the plate.

According to an example aspect of the present invention, there is provided a device for a compass, the device comprising a support comprising a magnetic field detection means being mounted via a conical pivot bearing on a tip of a shaft, wherein the detection means is capable of rotating in at least a plane which is perpendicular to the direction of the shaft, a direction indicator device connected to the magnetic field detection means, and wherein the support comprises an upper portion, a middle portion and a lower portion, the direction indicator device comprises an elongate plate with a direction indicator, wherein the middle portion of said support extends through an opening in the plate, the upper portion of said support comprises opposite first members extending over the top surface of said plate, and the lower portion of said support comprises opposite second members extending under the bottom surface of said plate, and said first and second members are vertically and pairwise aligned to form a first fork and a second fork for supporting the plate.