An oven appliance having a camera assembly for providing images of food items within a cooking chamber includes a chamber wall and a separation panel defining an insulation gap therebetween. The camera assembly includes a housing defining a first end proximate the chamber wall and a second end proximate the separation panel which partially defines an electronics compartment. Viewing windows are positioned within the first and second ends of the housing and a camera is positioned within the electronics compartment and aimed through the viewing windows to generate images without being damaged during high temperature operation of the oven appliance.

An oven appliance having a camera assembly for providing images of food items within a cooking chamber includes a chamber wall and a separation panel defining an insulation gap therebetween. The camera assembly includes a housing defining a first end proximate the chamber wall and a second end proximate the separation panel which partially defines an electronics compartment. Viewing windows are positioned within the first and second ends of the housing and a camera is positioned within the electronics compartment and aimed through the viewing windows to generate images without being damaged during high temperature operation of the oven appliance.

There is provided a measurement apparatus for a vacuum furnace, comprising a data acquisition device, comprising a sensor interface operable to electrically couple one or more sensors to the data acquisition device, and a thermally conductive layer disposed on a first surface of the data acquisition device and to provide a thermally conductive interface between the first surface of the data acquisition device and a cooled internal surface of the vacuum furnace.

According to one aspect, embodiments herein provide a furnace for debinding and sintering additively manufactured parts comprising a unitarily formed retort having at least one open side, a heater for heating a sintering volume within the retort to a debinding temperature and to a sintering temperature, an end cap sealing the at least one open side, a forming gas line penetrating the end cap for supplying forming gas at a flowrate, and a heat exchanger within the retort, outside the sintering volume, and adjacent a heated wall of the retort, the heat exchanger having an inlet connected to the forming gas line and an outlet to the sintering volume, wherein the heat exchanger includes a heat exchange tube length sufficient to heat the forming gas to within 20 degrees Celsius of the sintering temperature before the forming gas exits the outlet.

Batch furnace assembly for processing wafers, comprising a process chamber housing defining a process chamber and having a process chamber opening, a wafer boat housing defining a water boat chamber, a door assembly, a differential pressure sensor, and a controller. The door assembly has a closed position in which it closes off the process chamber opening. The door assembly defines in a closed position a door assembly chamber having a purge gas inlet for supplying purge gas to the door assembly chamber for gas sealingly separating the process chamber from the wafer boat chamber. The differential pressure sensor assembly fluidly connects to the door assembly chamber and is configured to determine a pressure difference between a pressure in the door assembly chamber and a reference pressure in a reference pressure chamber. The controller is configured to establish whether the pressure difference is in a desired pressure range.

Batch furnace assembly for processing wafers, comprising a process chamber housing defining a process chamber and having a process chamber opening, a wafer boat housing defining a water boat chamber, a door assembly, a differential pressure sensor, and a controller. The door assembly has a closed position in which it closes off the process chamber opening. The door assembly defines in a closed position a door assembly chamber having a purge gas inlet for supplying purge gas to the door assembly chamber for gas sealingly separating the process chamber from the wafer boat chamber. The differential pressure sensor assembly fluidly connects to the door assembly chamber and is configured to determine a pressure difference between a pressure in the door assembly chamber and a reference pressure in a reference pressure chamber. The controller is configured to establish whether the pressure difference is in a desired pressure range.

The invention relates to a method for processing a dental material (28), in particular pressing and curing a dental material, by means ofa molding insert (30) that has a pre-pressing area (22) which adjoins a molding area (14, 16), wherein the pre-pressing area (22) is designed to receive the dental material (28), anda pressing furnace with a firing chamber (10) for receiving the molding insert (30). The method has the following steps:introducing the dental material (28) into the pre-pressing chamber (22);heating the firing chamber (10), in which the molding insert (30) is located, pressing the dental material (28) towards the molding area (14, 16) using a pressing punch (26) by applying a force onto the pressing punch (26) during a first processing phase, wherein the pressing punch (26) is moved, and the pressing punch speed is detected as a speed profile dependent on the time; and adjusting the firing chamber (10), in particular cooling the firing chamber to a second temperature, during a second processing phase starting at a point in time at which the detected speed profile matches a first speed profile without reducing the force applied to the pressing punch (26).

The invention relates to a method for processing a dental material (28), in particular pressing and curing a dental material, by means ofa molding insert (30) that has a pre-pressing area (22) which adjoins a molding area (14, 16), wherein the pre-pressing area (22) is designed to receive the dental material (28), anda pressing furnace with a firing chamber (10) for receiving the molding insert (30). The method has the following steps:introducing the dental material (28) into the pre-pressing chamber (22);heating the firing chamber (10), in which the molding insert (30) is located, pressing the dental material (28) towards the molding area (14, 16) using a pressing punch (26) by applying a force onto the pressing punch (26) during a first processing phase, wherein the pressing punch (26) is moved, and the pressing punch speed is detected as a speed profile dependent on the time; and adjusting the firing chamber (10), in particular cooling the firing chamber to a second temperature, during a second processing phase starting at a point in time at which the detected speed profile matches a first speed profile without reducing the force applied to the pressing punch (26).

An oven appliance having a camera assembly for providing images of food items within a cooking chamber includes a chamber wall and a separation panel defining an insulation gap therebetween. The camera assembly includes a housing defining a first end proximate the chamber wall and a second end proximate the separation panel which partially defines an electronics compartment. Viewing windows are positioned within the first and second ends of the housing and a camera is positioned within the electronics compartment and aimed through the viewing windows to generate images without being damaged during high temperature operation of the oven appliance.

An oven appliance having a camera assembly for providing images of food items within a cooking chamber includes a chamber wall and a separation panel defining an insulation gap therebetween. The camera assembly includes a housing defining a first end proximate the chamber wall and a second end proximate the separation panel which partially defines an electronics compartment. Viewing windows are positioned within the first and second ends of the housing and a camera is positioned within the electronics compartment and aimed through the viewing windows to generate images without being damaged during high temperature operation of the oven appliance.