Abstract:
Verfahren zum Bilden einer mikroelektronischen Struktur, bei dem (a) ein Substrat mit einer Oberfläche bereitgestellt wird, (b) gegebenenfalls eine oder mehrere Zwischenschichten auf der Oberfläche gebildet werden, (c) eine Hartmaskenzusammensetzung angrenzend an die Zwischenschichten, falls vorhanden, oder angrenzend an die Substratoberfläche, falls keine Zwischenschichten vorhanden sind, aufgebracht wird, wobei die Hartmaskenzusammensetzung nichtpolymere Nanopartikel enthält, die in einem Lösungsmittelsystem gelöst oder dispergiert sind, (d) die Hartmaskenzusammensetzung gebacken wird, um eine Hartmaskenschicht zu ergeben, (e) die Hartmaskenschicht Strahlung ausgesetzt wird, um einen bestrahlten Teil der Hartmaske zu erhalten und (f) die Hartmaskenschicht mit einem Entwickler in Kontakt gebracht wird, um so den bestrahlten Teil der Hartmaskenschicht zu entfernen.
Abstract:
Acid-sensitive, developer-soluble bottom anti-reflective coating compositions are provided, along with methods of using such compositions and microelectronic structures formed thereof. The compositions preferably comprise a crosslinkable polymer dissolved or dispersed in a solvent system. The polymer preferably comprises recurring monomeric units having adamantyl groups. The compositions also preferably comprise a crosslinker, such as a vinyl ether crosslinking agent, dispersed or dissolved in the solvent system with the polymer. In some embodiments, the composition can also comprise a photoacid generator (PAG) and/or a quencher. The bottom anti-reflective coating compositions are thermally crosslinkable, but can be decrosslinked in the presence of an acid to be rendered developer soluble.
Abstract:
Novel, developer-soluble anti-reflective coating compositions and methods of using those compositions are provided. The compositions comprise a multi-functional acid reacted with a multi-functional vinyl ether to form a branched polymer or oligomer. In use, the compositions are applied to a substrate and thermally crosslinked. Upon exposure to light and post-exposure baking, the cured polymers/oligomers will decrosslink and depolymerize, rendering the layer soluble in typical photoresist developing solutions (e.g., alkaline developers).
Abstract:
Novel compositions and methods of using those compositions to form metal oxide films or coatings are provided. The compositions comprise an organometallic oligomer and an organic polymer dispersed or dissolved in a solvent system. The compositions have long shelf lives and can be prepared by easy and reliable preparation procedures. The compositions can be cured to cause conversion of the compositions into films of metal oxide interdispersed with organic polymer or oligomer. The cured films have high refractive indices, high optical clarities, and good mechanical stabilities at film thickness of greater than about 1 µm.
Abstract:
Acid-sensitive, developer-soluble bottom anti-reflective coating compositions are provided, along with methods of using such compositions and microelectronic structures formed thereof. The compositions preferably comprise a crosslinkable polymer dissolved or dispersed in a solvent system. The polymer preferably comprises recurring monomelic units having adamantyl groups. The compositions also preferably comprise a crosslinker, such as a vinyl ether crosslinking agent, dispersed or dissolved in the solvent system with the polymer. In some embodiments, the composition can also comprise a photoacid generator (PAG) and/or a quencher. The bottom anti- reflective coating compositions are thermally crosslinkable, but can be decrosslinked in the presence of an acid to be rendered developer soluble.
Abstract:
Novel compositions and methods of using those compositions to form high refractive index coatings are provided. The compositions preferably comprise both a reactive solvent and a high refractive index compound. Preferred reactive solvents include aromatic resins that are functionalized with one or more reactive groups (e.g., epoxides, vinyl ethers, oxetane), while preferred high refractive index compounds include aromatic epoxides, vinyl ethers, oxetanes, phenols, and thiols. An acid or crosslinking catalyst is preferably also included. The inventive compositions are stable under ambient conditions and can be applied to a substrate to form a layer and cured via light and/or heat application. The cured layers have high refractive indices and light transmissions.
Abstract:
New hardmask compositions comprising non-polymeric, metal-conlaining nanoparticles dispersed or dissolved in a solvent system and methods of using those compositions as hardmask lavcrs in microelectronic structures are provided. The compositions arc photosensitive and capable of being rendered developer soluble upon exposure to radiation. The inventive hardmask layer is patterned simultaneously with the photoresist layer and provides plasma etch resistance for subsequent pattern transfer.
Abstract:
New compositions for use as high refractive index layers are provided. The compositions comprise a polyimide dispersed or dissolved in a solvent system. The polyimide can be prepared from commercially available dianhydrides and diamines. Preferred polymer include recurring monomers selected from the group consisting of formula (I) and (II). The inventive compositions can form strong, thin films and have high refractive indices making them useful in a wide range of optical applications.
Abstract:
Novel compositions and methods of using those compositions to form metal oxide films or coatings are provided. The compositions comprise an organometallic oligomer and an organic polymer dispersed or dissolved in a solvent system. The compositions have long shelf lives and can be prepared by easy and reliable preparation procedures. The compositions can be cured to cause conversion of the compositions into films of metal oxide interdispersed with organic polymer or oligomer. The cured films have high refractive indices, high optical clarities, and good mechanical stabilities at film thickness of greater than about 1 µm.