42 Testing semiconductor materials; research and development of new products in the field of multilayer substrates, semiconductor wafers and semiconductors for integrated circuits, for electronic radio frequency (RF) or power components, for transistors, thyristors and diodes, for microsystems, for optoelectronic components, for photonic components, for electronic devices for switching or converting electrical currents, for devices conducting or filtering radio frequency electric currents for piezoelectric devices, for quantum cryptography devices, for light emitting diodes; research and development of new products in the field of transferring microelectronic circuits or microsystems on all kinds of media, in the field of material, semiconductor or component layer transfer on all media, in the field of ion implantation in materials, in the field of material layer deposition, especially in epitaxy, in the field of Chemical Vapor Deposition or Physical Vapor Deposition, in the field of sublimation manufacturing such as Physical Vapor Transport, in the field of powder sintering process manufacturing; engineering and engineering services in the field of multilayer substrates, semiconductor wafers and semiconductors for integrated circuits, for electronic radio frequency (RF) or power components, for transistors, thyristors and diodes, for microsystems, for optoelectronic components, for photonic components, for electronic devices for switching or converting electrical currents, or for devices conducting or filtering electric radio frequency currents, for piezoelectric devices, for quantum cryptography devices, for light emitting diodes; engineering and engineering services in the field of transferring microelectronic circuits or microsystems on all kinds of media, in the field of material, semiconductor or component layer transfer on all media, in the field of ion implantation in materials, in the field of material layer deposition, especially in epitaxy, in the field of Chemical Vapor Deposition or Physical Vapor Deposition in the field of sublimation manufacturing such as Physical Vapor Transport, in the field of powder sintering process manufacturing; technical assistance and support services, namely, technical engineering advice for the development of new products in the field of multilayer substrates, semiconductor wafers and semiconductors for integrated circuits, for electronic radio frequency (RF) or power components, for transistors, thyristors and diodes, for microsystems, for optoelectronic components, for photonic components, for electronic devices for switching or converting electrical currents, or for devices conducting or filtering radio frequency electric currents, for piezoelectric devices, for quantum cryptography devices, for light emitting diodes; technical assistance and support services, namely, technical engineering advice for the field of transferring microelectronic circuits or microsystems on all kinds of media, in the field of material layer transfer, semiconductors or components on all media, in the field of ion implantation in materials, in the field of layer deposition of materials, especially in epitaxy, in the field of Chemical Vapor Deposition or Physical Vapor Deposition, in the field of sublimation manufacturing such as being Physical Vapor Transport, in the field of powder sintering process manufacturing