According to the bonding method of flat electrodes of the present invention, a crystal glass material is arranged between electrodes, heated, and melted while the flat electrodes are pressured, and the melted crystal glass material is fused and re-crystallized to the surface of each flat electrode, so...http://www.google.com/patents/US5167687?utm_source=gb-gplus-sharePatent US5167687 - Method for laminating and bonding flat electrodes
