The invention relates to a method and an arrangement for tempering SiC wafers. In addition, a photoelectric conversion device whose mechanical strength is increased without complicating a manufacturing process is provided. In addition the invention is directed to the treatment and prevention of disorders or conditions associated with a digestive enzyme deficiency in a patient in need thereof, comprising administering to said patient a pharmaceutically acceptable amount of the composition having a stable low digestive enzyme content or dosage form thereof.