EP1529310A4 - Porous low-k dielectric interconnect structures - Google Patents

Porous low-k dielectric interconnect structures

Info

Publication number
EP1529310A4
EP1529310A4 EP02797318A EP02797318A EP1529310A4 EP 1529310 A4 EP1529310 A4 EP 1529310A4 EP 02797318 A EP02797318 A EP 02797318A EP 02797318 A EP02797318 A EP 02797318A EP 1529310 A4 EP1529310 A4 EP 1529310A4
Authority
EP
European Patent Office
Prior art keywords
interconnect structures
porous low
dielectric interconnect
dielectric
porous
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP02797318A
Other languages
German (de)
French (fr)
Other versions
EP1529310A2 (en
Inventor
Ann R Fornof
Jeffrey C Hedrick
Kang-Wook Lee
Kelly Malone
Christy S Tyberg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US10/290,682 external-priority patent/US6783862B2/en
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Publication of EP1529310A2 publication Critical patent/EP1529310A2/en
Publication of EP1529310A4 publication Critical patent/EP1529310A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
    • H01L21/76832—Multiple layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02118—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer carbon based polymeric organic or inorganic material, e.g. polyimides, poly cyclobutene or PVC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/022—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being a laminate, i.e. composed of sublayers, e.g. stacks of alternating high-k metal oxides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02203—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being porous
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
    • H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
    • H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
    • H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/7682—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing the dielectric comprising air gaps
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/76829—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
    • H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
    • H01L21/76835—Combinations of two or more different dielectric layers having a low dielectric constant
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
    • H01L23/5329—Insulating materials
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
    • H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
    • H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
    • H01L23/5329—Insulating materials
    • H01L23/53295—Stacked insulating layers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
    • H01L2221/10—Applying interconnections to be used for carrying current between separate components within a device
    • H01L2221/1005—Formation and after-treatment of dielectrics
    • H01L2221/1042—Formation and after-treatment of dielectrics the dielectric comprising air gaps
    • H01L2221/1047—Formation and after-treatment of dielectrics the dielectric comprising air gaps the air gaps being formed by pores in the dielectric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
EP02797318A 2001-12-13 2002-12-13 Porous low-k dielectric interconnect structures Withdrawn EP1529310A4 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
US290682 1988-12-27
US33973401P 2001-12-13 2001-12-13
US339734P 2001-12-13
US10/290,682 US6783862B2 (en) 2001-12-13 2002-11-08 Toughness, adhesion and smooth metal lines of porous low k dielectric interconnect structures
US290616 2002-11-08
US10/290,616 US6933586B2 (en) 2001-12-13 2002-11-08 Porous low-k dielectric interconnects with improved adhesion produced by partial burnout of surface porogens
PCT/US2002/040020 WO2003054928A2 (en) 2001-12-13 2002-12-13 Porous low-k dielectric interconnect structures

Publications (2)

Publication Number Publication Date
EP1529310A2 EP1529310A2 (en) 2005-05-11
EP1529310A4 true EP1529310A4 (en) 2009-06-10

Family

ID=27403994

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02797318A Withdrawn EP1529310A4 (en) 2001-12-13 2002-12-13 Porous low-k dielectric interconnect structures

Country Status (5)

Country Link
EP (1) EP1529310A4 (en)
JP (1) JP4437922B2 (en)
AU (1) AU2002361679A1 (en)
IL (1) IL162436A0 (en)
WO (1) WO2003054928A2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7071539B2 (en) * 2003-07-28 2006-07-04 International Business Machines Corporation Chemical planarization performance for copper/low-k interconnect structures
US7365009B2 (en) 2006-01-04 2008-04-29 United Microelectronics Corp. Structure of metal interconnect and fabrication method thereof
US8486843B2 (en) 2008-09-04 2013-07-16 The Board Of Trustrees Of The University Of Illinois Method of forming nanoscale three-dimensional patterns in a porous material
US9054110B2 (en) 2011-08-05 2015-06-09 Taiwan Semiconductor Manufacturing Company, Ltd. Low-K dielectric layer and porogen

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881678A2 (en) * 1997-05-28 1998-12-02 Texas Instruments Incorporated Improvements in or relating to porous dielectric structures
WO2000024050A1 (en) * 1998-10-22 2000-04-27 Applied Materials, Inc. Cvd nanoporous silica low dielectric constant films
WO2001078127A2 (en) * 2000-04-07 2001-10-18 Philips Semiconductors, Inc. A method of improving adhesion of a cap layer to a porous material layer on a wafer

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6071809A (en) * 1998-09-25 2000-06-06 Rockwell Semiconductor Systems, Inc. Methods for forming high-performing dual-damascene interconnect structures
US6472306B1 (en) * 2000-09-05 2002-10-29 Industrial Technology Research Institute Method of forming a dual damascene opening using CVD Low-K material and spin-on-polymer
US6383920B1 (en) * 2001-01-10 2002-05-07 International Business Machines Corporation Process of enclosing via for improved reliability in dual damascene interconnects

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0881678A2 (en) * 1997-05-28 1998-12-02 Texas Instruments Incorporated Improvements in or relating to porous dielectric structures
WO2000024050A1 (en) * 1998-10-22 2000-04-27 Applied Materials, Inc. Cvd nanoporous silica low dielectric constant films
WO2001078127A2 (en) * 2000-04-07 2001-10-18 Philips Semiconductors, Inc. A method of improving adhesion of a cap layer to a porous material layer on a wafer

Also Published As

Publication number Publication date
WO2003054928A3 (en) 2005-02-24
JP2005519455A (en) 2005-06-30
AU2002361679A8 (en) 2003-07-09
AU2002361679A1 (en) 2003-07-09
EP1529310A2 (en) 2005-05-11
IL162436A0 (en) 2005-11-20
JP4437922B2 (en) 2010-03-24
WO2003054928A2 (en) 2003-07-03

Similar Documents

Publication Publication Date Title
GB0114818D0 (en) Conductor structure
EP1371091A4 (en) Low-k interconnect structure comprised of a multilayer of spin-on porous dielectrics
EP1371090A4 (en) HYBRID LOW-k INTERCONNECT STRUCTURE COMPRISED OF 2 SPIN-ON DIELECTRIC MATERIALS
EP1379078A4 (en) Contour-emphasizing circuit
SG92826A1 (en) Versatile copper-wiring layout design with low-k dielectric integration
GB0106296D0 (en) Circuit
EP1459373A4 (en) Methods for fabricating interconnect structures having low k dielectric properties
IL160564A0 (en) Interconnect circuit
GB2393577B (en) Low dielectric constant layers
AU2002361679A8 (en) Porous low-k dielectric interconnect structures
GB2394835B (en) Semiconductor structure
GB2381398B (en) Electrical circuits
GB0225794D0 (en) Terminal
GB0216906D0 (en) Electrical discharge circuits
TW545691U (en) Improved fuse structure
GB0110857D0 (en) Electrical structures
GB0101759D0 (en) Circuit
GB0120103D0 (en) Electrical circuits
GB0122447D0 (en) Electrical circuits
HU2359U (en) Multilayer insulation
GB0117773D0 (en) Novel conductive structures
TW505318U (en) Improved integrated circuit socket structure
HU0100985D0 (en) Insulating unit
TW531068U (en) Improved terminal structure
TW516726U (en) Improved terminal structure

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20040528

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR

A4 Supplementary search report drawn up and despatched

Effective date: 20090511

RIC1 Information provided on ipc code assigned before grant

Ipc: H01L 23/532 20060101ALI20090504BHEP

Ipc: H01L 23/48 20060101AFI20050303BHEP

Ipc: H01L 21/768 20060101ALI20090504BHEP

17Q First examination report despatched

Effective date: 20090901

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20100112