Method for producing piezoelectric multi-layered components

A method for producing piezoelectric multi-layered components, comprising the following steps:

• A. applying an electrode material to green sheets containing a piezoelectric material,
• B. applying a layer of a first auxiliary material to at least one green sheet containing the piezoelectric material,
• C. forming a stack, in which the green sheets, to which electrode material is applied, are arranged one on top of another, wherein at least one ply of the green sheet, to which the layer of the first auxiliary material is applied, is arranged in the stack,
• D. sintering the stack, wherein the layer of the first auxiliary material is thinned, and
• E. firing the stack, wherein the stack is singulated along the at least one ply into at least two multi-layered components, wherein the singulation during the firing is initiated by the previous weakening of the layer of the first auxiliary material during the sintering and by a temperature shock which is generated during the firing by rapid changes in temperature.

A method for producing piezoelectric multi-layered components, comprising the following steps:

• A. applying an electrode material to green sheets containing a piezoelectric material,
• B. applying a layer of a first auxiliary material to at least one green sheet containing the piezoelectric material, wherein the first auxiliary material comprises an inert inorganic material and the proportion of the inert inorganic material in the first auxiliary material is at least 40% by weight,
• C. forming a stack, in which the green sheets, to which electrode material is applied, are arranged one on top of another, wherein at least one ply of the green sheet, to which the layer of the first auxiliary material is applied, is arranged in the stack,
• D. sintering the stack, wherein the layer of the first auxiliary material is thinned, and
• E. firing the stack, wherein the stack is singulated along the at least one ply into at least two multi-layered components.