Specific Process Knowledge/Wafer Information: Difference between revisions

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 == How to Purchase Wafers ==
-To buy wafers from DTU Nanolab, you need to login to Labmanager and find the [https://labmanager.dtu.dk/function.php?module=Wafer&view=shop&page_id=16| Wafer Shop]. Here you can see a list of wafers that we have on stock. Most of these are in the cupboard, called "B1 cage" (located inside the cleanroom, in room B1). Some of the wafers are stored in our basement and you must always contact DTU Nanolab personnel for buying these in advance. In the list you can see the specifications, prices as well as a link to a pdf file with more detailed information about the wafer specifications. Be sure that the wafers you want to buy in the shop are actually available in the cupboard before buying. By buying the wafers in the shop, the door to the "B1 cage" will unlock for 30 seconds. The door can be opened by twisting the handle counter clock wise. Please leave the door open while taking the wafers you have bought from the box. Afterwards, place the wafer box back into the cupboard and close the door. This will enable door lock again.
+To buy wafers from DTU Nanolab, you need to login to Labmanager and find the [https://labmanager.dtu.dk/function.php?module=Wafer&view=shop&page_id=16| Wafer Shop]. Here you can see a list of wafers that we have on stock. Most of these are in the cabinet, called "B1 cage" (located inside the cleanroom, in room B1). Some of the wafers are stored in our basement and you need to contact DTU Nanolab personnel to buy these (in advance). In the list you can see the specifications, prices, as well as a link to more detailed information about the wafer specifications. Be sure that the wafers you want to buy in the shop are actually available in the cabinet before buying. After you bought the wafers in LabManger, the door to "B1 cage" will unlock for 30 seconds. The door can be opened by twisting the handle counter clock wise. Please leave the door open while taking the wafers you have bought from the box. Afterwards, place the wafer box back into the cupboard and close the door. This will enable door lock again.
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-If you buy wafers that must go directly from the new wafer box into any of the LPCVD furnaces or Furnace: Anneal-oxide(C1), buy the numbers of wafers you need minus one. This unlock the door, take the box to the furnace and close the door to the cage. Once you loaded your wafers into the furnace, buy the last wafer to unlock the cage door again. Place the wafer box back into the cage and close the door.
+If you buy wafers that must go directly from the new wafer box into any of the LPCVD furnaces or Furnace: Anneal-oxide(C1), buy '''one wafer less''' than what you need. Take the wafer box from the wafer cabinet to the furnace and close and lock the door again. Once you have loaded your wafers into the furnace, buy the remaining wafer to unlock the cage door again. Place the wafer box back into the cage and close the door.
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 == Wafer boxes and Single Wafer Carriers ==
-New clean wafer boxes and single wafer carriers can be found in the gowning area. Ask DTU Nanolab personnel for help if stock is low. An empty wafer box placed on top of the B1 cage is considered clean as well.
+In the gowning, used but cleaned single wafer carriers and wafer boxes can be found. Those have been washed in the dishwasher with special soap and deionized water and air dried.
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+|Please note, re-used/washed wafer boxes and single wafer holder are considered (mostly) clean. They are '''not''' clean enough to be used as carrier for transport of wafers between RCA and furnace or between furnaces.
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+New, clean single wafer carriers can be found in the gowning area in the metal cage. Please contact DTU Nanolab personnel for help, if the stock is low. An empty wafer box placed on top of the B1 cage is considered clean as well. Those wafer boxes can be used to store wafers from RCA to furnace or between furnaces.