US2014106106A1PendingUtilityA1

Dicing film with protecting film

48
Assignee: NITTO DENKO CORPPriority: Mar 11, 2011Filed: Dec 19, 2013Published: Apr 17, 2014
Est. expiryMar 11, 2031(~4.5 yrs left)· nominal 20-yr term from priority
Inventors:Yuichiro ShishidoTakeshi Matsumura
H10W 72/5524H10W 72/5522H10W 99/00H10W 74/00H10W 72/073H10W 72/0198H10W 72/884H10W 90/756H10W 90/754H10W 72/075H10W 72/07337H10W 72/07338H10W 72/351H10W 72/353H10W 72/354H10W 72/352H10W 72/325H10W 72/01336H10W 90/734H10W 90/736H10P 72/7438H10P 72/7416H10P 72/744H10W 72/5525H10P 72/7402H10P 95/00B32B 27/365C09J 2203/326B32B 27/36B32B 27/20B32B 7/12C09J 7/385B32B 2457/14B32B 27/281Y10T428/1467Y10T428/24802Y10T428/24942Y10T428/1471H01L 21/6836
48
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Claims

Abstract

The present invention provides a dicing film with a protecting film that enables to paste a dicing film to a semiconductor wafer without a shift in position while reducing a downtime. There is provided a dicing film with a protecting film in which a dicing film and a protecting film are laminated, wherein the difference between the transmittance of the protecting film and the transmittance of the dicing film with a protecting film at a portion of the dicing film where light for detecting a film transmits first is 20% or more in a wavelength of 600 to 700 nm.

Claims

exact text as granted — not AI-modified
1 . A dicing film with a protecting film in which a dicing film and a protecting film are laminated, wherein
 the difference between the transmittance of the protecting film and the transmittance of the dicing film with a protecting film at a portion of the dicing film where light for detecting a film transmits first is 20% or more in a wavelength of 600 to 700 nm.   
     
     
         2 . The dicing film with a protecting film according to  claim 1 , wherein
 the dicing film has a base and an adhesive layer that is laminated on the base, and the base is embossed.   
     
     
         3 . The dicing film with a protecting film according to  claim 1 , wherein
 the dicing film has a base and a adhesive layer that is laminated on the base, and the base is colored.   
     
     
         4 . The dicing film with a protecting film according to  claim 1 , wherein
 the transmittance of the dicing film with a protecting film at the portion of the dicing film where the light for detecting a film transmits first is 0 to 70%.   
     
     
         5 . The dicing film with a protecting film according to  claim 1 , wherein
 the transmittance of the protecting film is 75 to 100%.   
     
     
         6 . The dicing film with a protecting film according to  claim 1 , wherein
 the dicing film has a base and an adhesive layer that is laminated on the base and a die bond film is laminated on the adhesive layer of the dicing film.   
     
     
         7 . The dicing film with a protecting film according to  claim 1 , wherein the dicing film has a base and an adhesive layer, and a printing layer laminated between the adhesive layer and the base.

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