Hermetically sealed transparent cavity and method for making the same

. The present invention relates to a method for providing a plurality of hermetically sealed enclosures and transparent enclosures.

Background technique:

2. Hermetically sealed enclosures can be used to protect sensitive electronics, circuits or eg sensors. Medical implants can thus be used in regions such as the heart, in the retina or in bioprocessors. Bioprocessors are known that use and apply enclosures made of titanium.

3. For particularly harsh environmental conditions, the sensor can be protected by means of the enclosure according to the invention. These fields also include, for example, mems (mikro-elektro-mechanische-systeme, microelectromechanical systems), barometers, and the like.

4. Another field of application of the capsule according to the invention may be in the field of smartphone housings, virtual reality glasses and similar devices. The capsules according to the invention can also be used to manufacture flow cells, for example in electric vehicles. However, the capsules according to the invention can also be used in the aerospace sector, in high-temperature applications and in the micro-optics sector.

5. The common point of the aforementioned application purposes is that high demands are placed on the robustness (robustness) of the electronic device. That is, protecting electronics from harsh environmental influences. If necessary, it is also required to ensure an exchange with the inner region of the envelope, ie the cavity formed by the envelope, ie for example with radiation in the electromagnetic radiation and/or microwave radiation range, in particular, in the visible range, ie the envelope at least partially and /or at least partially transparent. Transparency, for example at least for the wavelength range of electromagnetic radiation, allows communication methods, data or energy transmission and measurement, in particular optical measurement by means of electronics or sensors arranged in the cavity.

6. It is known in principle to join together a plurality of parts and to arrange the parts such that in a gap a receiving area is formed in which a component can be received. For example European patent ep 3 012 059 b1 by hause schott primoceler oy presents a method for producing a transparent part for protecting an optical member. A novel laser method is used here.

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