A gramophone record includes a main body and a cladding layer. The main body is made of a polymeric material, and has a base surface and an extending surface which extends downward from the base surface. The extending surface defines a continuous spiral groove in the main body. The cladding layer is formed on the extending surface, and has a Hardness Rockwell C (HRC) of not less than 37.

A gramophone record includes a main body and a cladding layer. The main body is made of a polymeric material, and has a base surface and an extending surface which extends downward from the base surface. The extending surface defines a continuous spiral groove in the main body. The cladding layer is formed on the extending surface, and has a Hardness Rockwell C (HRC) of not less than 37.

The present invention relates a method of producing a data storage medium comprising the steps of: a) coating a layer comprising a polymer material onto at least a part of a template surface thereby to obtain a modified template surface; b) clamping the modified template surface produced in step (a) with a target surface thereby to obtain an assembly; and c) introducing a liquid to an environment of the assembly obtained in step (b) thereby to transfer the layer comprising the polymer material of the modified template surface onto at least an adjacent region on the target surface.

The present invention relates to a new process for the production of a phonograph disc for analog storing, recording and/or reproduction of a sound content, as well as to a phonograph disc obtainable by means of the aforementioned process.

The present invention relates to a new process for the production of a phonograph disc for analog storing, recording and/or reproduction of a sound content, as well as to a phonograph disc obtainable by means of the aforementioned process.

The present invention relates to a new process for the production of a phonograph disc for analog storing, recording and/or reproduction of a sound content, as well as to a phonograph disc obtainable by means of the aforementioned process.

The present invention relates to a new process for the production of a phonograph disc for analog storing, recording and/or reproduction of a sound content, as well as to a phonograph disc obtainable by means of the aforementioned process.

Provided is an electronic device comprising a display panel in which a first display region and a second display region are defined and which has a first pixel and a second pixel, a first temperature sensor which measures a first temperature of the first display region, a second temperature sensor which measures a second temperature of the second display region, a voltage generator which generates a first initialization voltage and a second initialization voltage, and a driving controller. The driving controller may generate a voltage control signal on the basis of the first temperature and the second temperature, and the voltage generator may provide, on the basis of the voltage control signal, the first initialization voltage to the first pixel and the second initialization voltage to the second pixel.