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The blade shows a chevron pattern with opposing twists and straight laminate alternating. Pattern welding is a practice in sword and knife making by forming a blade of several metal pieces of differing composition that are forge-welded together and twisted and manipulated to form a pattern. [1]
The sharpened side is usually the right side for a right-handed use of the knife, but knives are available sharpened for left-handed use. The usuba is heavier than a nakiri, although still much lighter than a deba bōchō. [2] There are several variations of the usuba bōchō based on regional styles.
Chemical milling or industrial etching is the subtractive manufacturing process of using baths of temperature-regulated etching chemicals to remove material to create an object with the desired shape. [1] [2] Other names for chemical etching include photo etching, chemical etching, photo chemical etching and photochemical machining. It is ...
Spacer mask: first pattern; deposition; spacer formation by etching; first pattern removal; etching with spacer mask; final pattern. In spacer patterning, a spacer is a film layer formed on the sidewall of a pre-patterned feature. A spacer is formed by deposition or reaction of the film on the previous pattern, followed by etching to remove all ...
Etching tanks used to perform Piranha, hydrofluoric acid or RCA clean on 4-inch wafer batches at LAAS technological facility in Toulouse, France. Etching is used in microfabrication to chemically remove layers from the surface of a wafer during manufacturing. Etching is a critically important process module in fabrication, and every wafer ...
Nukite: Spear-hand strike; Ippon Nukite: 1 finger Spear-hand strike (e.g. in the kata, Unsu) Nihon Nukite: 2 finger Spear-hand strike; Oi zuki: Stepping punch; Sanbon Zuki: Triple punch (Age zuki, Gyaku Zuki, Choku Zuki) Shuto Uchi: Knifehand strike; Shuto Yoko Ganmen Uchi (knife-hand strike to head) Shuto Sakotsu Uchikomi (driving knife-hand ...
In swordsmithing, hamon (刃文) (from Japanese, literally "edge pattern") is a visible effect created on the blade by the hardening process. The hamon is the outline of the hardened zone ( yakiba ) which contains the cutting edge ( ha ).
A ground is waxy material applied to the surface of a metal etching plate. A metal etching plate is a piece of sheet metal, usually copper, zinc, steel, or aluminium.The ground resists the acid or mordant which is used for etching, protecting areas of the metal plate.