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Class Information
Number: 438/700
Name: Semiconductor device manufacturing: process > Chemical etching > Combined with coating step > Formation of groove or trench
Description: Processes wherein at least one groove or trench is formed by a combination of chemical etching and material deposition.


Sub-classes under this class:

Class Number Class Name Patents
438/702 Plural coating steps 633
438/701 Tapered configuration 490


Patents under this class:

Patent Number Title Of Patent Date Issued
7109080 Method of forming capacitor over bitline contact Sep. 19, 2006
7105445 Interconnect structures with encasing cap and methods of making thereof Sep. 12, 2006
7105453 Method for forming contact holes Sep. 12, 2006
7101802 Method for forming bottle-shaped trench Sep. 5, 2006
7101803 Method of trench isolation and method for manufacturing a non-volatile memory device using the same Sep. 5, 2006
7101804 Method for forming fuse integrated with dual damascene process Sep. 5, 2006
7101806 Deep trench formation in semiconductor device fabrication Sep. 5, 2006
7098135 Semiconductor device including bit line formed using damascene technique and method of fabricating the same Aug. 29, 2006
7098136 Structure having flush circuit features and method of making Aug. 29, 2006
7094629 Semiconductor device and method of manufacturing the same, circuit board, and electronic instrument Aug. 22, 2006
7094697 Method for preparing a deep trench and an etching mixture for the same Aug. 22, 2006
7094701 Manufacturing method of semiconductor device Aug. 22, 2006
7094711 Micro pipe manufacturing method Aug. 22, 2006
7090786 Aqueous dispersion for chemical/mechanical polishing Aug. 15, 2006
7087498 Method for controlling trench depth in shallow trench isolation features Aug. 8, 2006
7087506 Method of forming freestanding semiconductor layer Aug. 8, 2006
7083994 Method of manufacturing a semiconductor device with outline of cleave marking regions and alignment or registration features Aug. 1, 2006
7084059 CMP system for metal deposition Aug. 1, 2006
7084065 Method for fabricating a semiconductor device Aug. 1, 2006
7081411 Wafer etching techniques Jul. 25, 2006
7081412 Double-sided etching technique for semiconductor structure with through-holes Jul. 25, 2006
7078296 Self-aligned trench MOSFETs and methods for making the same Jul. 18, 2006
7078314 Memory device having improved periphery and core isolation Jul. 18, 2006
7078334 In situ hard mask approach for self-aligned contact etch Jul. 18, 2006
7078346 High density plasma chemical vapor deposition process Jul. 18, 2006
7078348 Dual layer patterning scheme to make dual damascene Jul. 18, 2006
7078349 Method to form self-aligned floating gate to diffusion structures in flash Jul. 18, 2006
7074717 Damascene processes for forming conductive structures Jul. 11, 2006
7074718 Method of fabricating a semiconductor device having a buried and enlarged contact hole Jul. 11, 2006
7074723 Method of plasma etching a deeply recessed feature in a substrate using a plasma source gas modulated etchant system Jul. 11, 2006
7071072 Forming shallow trench isolation without the use of CMP Jul. 4, 2006
7071076 Method of manufacturing semiconductor device Jul. 4, 2006
7071107 Method for manufacturing a semiconductor device Jul. 4, 2006
7071108 Chemical mechanical polishing slurry containing abrasive particles exhibiting photocatalytic function Jul. 4, 2006
7071109 Methods for fabricating spatial light modulators with hidden comb actuators Jul. 4, 2006
7071112 BARC shaping for improved fabrication of dual damascene integrated circuit features Jul. 4, 2006
7071563 Barrier layer for interconnect structures of a semiconductor wafer and method for depositing the barrier layer Jul. 4, 2006
7067344 Method of manufacturing an external force detection sensor Jun. 27, 2006
7067440 Gap fill for high aspect ratio structures Jun. 27, 2006
RE39143 Method for making a wafer-pair having sealed chambers Jun. 27, 2006
7064053 Process for fabricating an electrical circuit comprising a polishing step Jun. 20, 2006
7064072 Method for fabricating trench isolation Jun. 20, 2006
7064080 Semiconductor processing method using photoresist and an antireflective coating Jun. 20, 2006
7060624 Deep filled vias Jun. 13, 2006
7056830 Method for plasma etching a dielectric layer Jun. 6, 2006
7056832 Deep trench self-alignment process for an active area of a partial vertical cell Jun. 6, 2006
7052972 Method for forming sublithographic features during the manufacture of a semiconductor device and a resulting in-process apparatus May. 30, 2006
7049165 Method of manufacturing an external force detection sensor May. 23, 2006
7049239 STI structure and fabricating methods thereof May. 23, 2006
7045435 Shallow trench isolation method for a semiconductor wafer May. 16, 2006



 
 
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