1. A method of making an IC tag, the method comprising:
installing, in a device, an antenna and an IC chip with an electrical breakdown circuit that destroys another circuit included in the IC chip in response to a breakdown voltage;
installing a breakdown voltage generation circuit which generates the breakdown voltage
in response to a mechanical force applied to the device.
2. The method of making an IC tag according to claim 1, wherein
the electrical breakdown device is formed as a voltage application terminal connected to the internal circuit of the IC chip and
the breakdown voltage generation circuit generates, as the breakdown voltage, a reverse voltage with polarity reversed from a voltage used by the IC chip in standard operation.
3. A method of making an IC tag according to claim 1, wherein
the electrical breakdown circuit comprises a heating element which generates heat, which destroys another portion of the IC chip, in response to the breakdown voltage.
4. The method of installing an IC tag according to claim 3, further comprising:
installing a connection openingclosing device for connecting a current output from a current generation source to the heating element as a the breakdown voltage.
5. The method of claim 1, wherein the mechanical force results from opening a unit including the IC tag.
6. An IC tag-bearing device, comprising:
an IC tag including an IC chip and an antenna, the IC chip including an electrical breakdown circuit that destroys another circuit included in the IC chip in response to a breakdown voltage; and
a breakdown voltage generation circuit which generates the breakdown voltage in response to a mechanical force applied to the IC tag-bearing device.
7. The IC tag-bearing device of claim 6, wherein
the electrical breakdown circuit includes a voltage application terminal; and
the breakdown voltage generation circuit generates, as the breakdown voltage, a reverse voltage with polarity reverse from a voltage used by the IC chip in standard operation.
8. The IC tag-bearing device of claim 6, wherein
the breakdown voltage generation circuit comprises a piezoelectric element which generates the breakdown voltage in response to the mechanical force.
9. The IC tag-bearing device of claim 8, further comprising
a striking element which applies a second mechanical force to the piezoelectric element in response to the mechanical force applied to the IC tag-bearing device.
10. The IC tag-bearing device of claim 9, further comprising
a battery; wherein
power is supplied from the battery to the heating element in response to the mechanical force.
11. The IC tag-bearing device of claim 6, further comprising
a battery, wherein
the breakdown voltage generation circuit generates the breakdown voltage from power supplied by the battery.
12. The IC tag-bearing device of claim 6, wherein the mechanical force results from opening the IC tag-bearing device.
13. The IC tag-bearing device of claim 6, wherein
the electrical breakdown circuit comprises a heating element which generates heat, which destroys another portion of the IC chip in response to the breakdown voltage.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A disk brake, comprising:
a brake lining having a brake lining support plate and a lining material with a given limit wear condition, the brake lining being displaceable over a displacement path to effect braking;
a brake lining holding device for the brake lining;
a stop configured to prevent a further displacement of the brake lining under normal braking condition for a first given amount of brake application force when the given limit wear condition is met, wherein the stop is designed such that, when the first given limit brake application force is exceeded, the stop is at first elastically deformed to allow for additional displacement of the brake lining and, when a second given, higher limit brake application force is exceeded, the stop is plastically deformed.
2. The disk brake according to claim 1, wherein for a sliding caliper disk brake, at the brake lining holding device the stop has at least one recess on a brake carrier; and
wherein at least one projection of the brake lining support plate engages into the recess, when the first given brake application force is exceeded, the projection is at least one of elastically and plastically deformable.
3. The disk brake according to claim 2, wherein the stop includes at least one of:
at least one projection constructed in one-piece with the brake lining support plate; and
at least one projection constructed as a separate element connectable with the brake lining support plate.
4. The disk brake according to claim 2, wherein the at least one recess in the brake carrier has a depth such that, when the given limit wear condition is reached, the at least one projection of the brake lining support plate rests on the brake carrier.
5. The disk brake according to claim 1, wherein for a sliding caliper disk brake, at the brake lining holding device the stop has at least one recess on a brake carrier; and
wherein at least one projection of the brake lining support plate engages into the recess, when the first and second given brake application forces are exceeded, the projection is elastically and plastically deformable, respectively.
6. The disk brake according to claim 1, wherein for a fixed caliper disk brake, at the brake lining holding device the stop has a recess formed on a caliper; and
wherein at least one projection of the brake lining support plate engages into the recess, when the first given brake application force is exceeded, the projection is elastically and plastically deformable.
7. The disk brake according to claim 6, wherein the stop includes at least one of:
at least one projection constructed in one-piece with the brake lining support plate; and
at least one projection constructed as a separate element connectable with the brake lining support plate.
8. The disk brake according to claim 6, wherein the recess in the caliper has a depth such that, when the given limit wear condition is reached, the at least one projection of the brake lining support plate rests on the caliper.
9. The disk brake according to claim 1, wherein for a fixed caliper disk brake, at the brake lining holding device the stop has a recess formed on a caliper; and
wherein at least one projection of the brake lining support plate engages into the recess, when the first and second given brake application forces are exceeded, the projection is elastically and plastically deformable respectively.
10. The disk brake according to claim 1, wherein the stop includes at least one of:
at least one projection constructed in one-piece with the brake lining support plate; and
at least one projection constructed as a separate element connectable with the brake lining support plate.
11. The disk brake according to claim 1, wherein the stop includes at least one of:
at least one projection constructed in one-piece with the brake lining support plate; and
at least one projection constructed as a separate element connectable with the brake lining plate.
12. The disk brake according to claim 1, wherein the stop has, on brake lining support surfaces of the brake lining holding device, at least one of molded-on and attached elements constructed in one-piece with the brake lining holding device or connected with the brake lining holding device, respectively.
13. The disk brake according to claim 12, wherein the attached elements are constructed as angled sheet elements attachable to a brake carrier or caliper, the angled sheet elements having a bend pointing in a direction of the brake lining at an end facing the brake disk, which bend limits a displacement path of the brake lining.
14. The disk brake according to claim 1, wherein the stop includes at least one projection constructed as an end of a bendable tongue forming part of the brake lining support plate.
15. The disk brake according to claim 14, wherein one of a plurality of bendable tongues of the brake lining support plate are respectively arranged relative to the brake disk rotational direction in an inlet and an outlet area of the brake disk.
16. The disk brake according to claim 14, wherein the bendable tongue has a given bending length on the brake lining support plate.
17. The disk brake according to claim 14, wherein the bendable tongue is fastened as a separate component with a corresponding bending length on the brake lining support plate.
18. A brake lining displaceable over a displacement path to effect braking of a disk brake, comprising:
a brake lining support;
a brake lining material with a given limit wear condition arranged on the brake lining support;
wherein the brake lining support has at least one of a projection and recess adapted to interact with the disk brake to form a stop between the brake lining and the disk brake preventing further displacement of the brake lining under normal braking conditions for a first given amount of brake application force when the given limit wear condition is met; and
further wherein the stop is designed such that, when the first given limit brake application force is exceeded, the stop is at first elastically deformed to allow for additional displacement of the brake lining and, when a second given, higher limit brake application force is exceeded, the stop is plastically deformed.
19. A method for operating a disk brake having a brake lining holding device for a brake lining that is displaceable over a displacement path in a direction of a brake disk to effect braking and has a lining support plate with a brake lining material arranged thereon, the brake lining material having a given limit wear condition, the method comprising the acts of:
upon meeting the given limit wear condition of the brake lining material, preventing further displacement of the brake lining during braking under normal braking condition for a first given brake application force via a stop;
upon exceeding the first given brake application force, elastically deforming the stop to allow for additional displacement of the brake lining;
upon exceeding a second given, higher, brake application force, plastically deforming the stop to allow for additional displacement of the brake lining.