摘要:
A method of forming a multi-level component having a first surface portion a first level and a second surface portion of a second level different to the level of the first level, said method including the steps of forming at least one arrangement of micro trenches or an arrangement of micro pillars having a micro trench therebetween in a predetermined arrangement in a mask material by one or more lithography processes, wherein one or more of said micro trenches have a first aspect ratio and one or more of said micro trenches have a second aspect ratio different from said first aspect ratio; applying one or more etching processes to a surface of a component upon which said mask is applied, wherein the component is etched by an aspect ratio dependent etch (ARDE) process so as to form an arrangement of micro trenches and micro pillars between adjacent micro trenches; wherein one or more micro trenches corresponding to the micro trenches of the first aspect ratio is etched a first level from said surface of the component, and wherein one or more micro trenches corresponding to the micro trenches of the second aspect ratio is etched at a second level from said surface of the component and at different level to said fist level; and (iii) removing said arrangement of micro pillars from said component by a removal process; wherein upon removal of said micro pillars a first surface portion is formed at said first level and a second surface portion is formed at said second level, wherein the second surface portion is at a different level to that of the of the first surface portion.
摘要:
A mold for imparting a marking including a requisite optical element having two and a half dimensions (2.5D) to the outer surface of an article formed from a ductile material, said mold comprising a marking surface for imparting the mark to an outer surface of the article by way of localized plastic deformation of the material from which the article is formed upon the mold and the article being urged against each other, said marking surface including a micro-structure formed by an arrangement of a plurality of micro meter sized recessed or protruded entities. The entities are arranged in a predetermined arrangement in relation to each other and said entities being arranged as a micro-structure having two and a half dimensions (2.5D), wherein said entities are arranged in an inverse arrangement in respect of the requisite optical element to be formed on the surface of an article, and said entities are arranged so as to provide one or more recesses extending in a direction of from said marking surface into the mold. The one more recesses are sized and shaped such that upon the mold being urged against the article, the optical element is imparted to the article upon deformation of the ductile material so as to conform with the surfaces of the plurality of micro meter sized recessed or protruded entities and wherein ductile material is plastically deformed and urged into said one or more recesses and conforms with the recesses, wherein deformation and flow of the ductile material into the recesses reduces lateral stresses imparted to the mold adjacent the recesses, and ductile urged into the recesses forms a portion of the material from deformation of the ductile material being imparted to the entities optical element having two and a half dimensions (2.5D).
摘要:
A method of forming a non-optically detectable identifiable mark at an outer surface of an article formed from a solid state material, said method including the steps of forming a plurality of recesses within a predetermined region of a photoresist 5 applied to an outer surface of an article formed from a solid state material, wherein said plurality of recesses is formed by two-photon absorption lithography and wherein said one or more recesses extend at least partially through the photoresist and from an outer surface of the photoresist and towards said outer surface of the article 10 formed from a solid state material; and applying an etching process such that at least a portion of the outer surface of said article is exposed and etched so as to form a plurality of etched portions extending into said article from the outer surface of the article and corresponding to said plurality of recesses; wherein said predetermined region of said photoresist defines an identifiable mark to be applied to the outer 15 surface of said article; wherein said plurality of etched portions forms the nonoptically identifiable mark on the outer surface of said article; and wherein the maximum width of the etched portions of is less than 200 nm such that the identifiable mark is non-optically detectable in the visible light spectrum.
摘要:
"An apparatus for coating at least a first plurality of articles each article thereof having at least a first surface to be coated is disclosed. The apparatus includes an emission source for directing emission elements towards the first surfaces of the plurality of articles, at least one support member for supporting the first plurality of articles, wherein support member supports the first plurality of articles such that the first surface is exposed to the path of emission from said emission source, and a drive assembly for moving the support member such that the first plurality of articles is moveable with respect to the path of emission from said emission source."
摘要:
A mold for imparting a marking including a requisite optical element having two and a half dimensions (2.5D) to the outer surface of an article formed from a ductile material, said mold comprising a marking surface for imparting the mark to an outer surface of the article by way of localized plastic deformation of the material from which the article is formed upon the mold and the article being urged against each other, said marking surface including a micro-structure formed by an arrangement of a plurality of micro meter sized recessed or protruded entities. The entities are arranged in a predetermined arrangement in relation to each other and said entities being arranged as a micro-structure having two and a half dimensions (2.5D), wherein said entities are arranged in an inverse arrangement in respect of the requisite optical element to be formed on the surface of an article, and said entities are arranged so as to provide one or more recesses extending in a direction of from said marking surface into the mold. The one more recesses are sized and shaped such that upon the mold being urged against the article, the optical element is imparted to the article upon deformation of the ductile material so as to conform with the surfaces of the plurality of micro meter sized recessed or protruded entities and wherein ductile material is plastically deformed and urged into said one or more recesses and conforms with the recesses, wherein deformation and flow of the ductile material into the recesses reduces lateral stresses imparted to the mold adjacent the recesses, and ductile urged into the recesses forms a portion of the material from deformation of the ductile material being imparted to the entities optical element having two and a half dimensions (2.5D).