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Hence appropriate wet clean chemistries are needed to dissolve/decompose these polymers without etching the dielectric.
For a fast screening of potential chemistries capable of dissolving/removing polymer residues generated during the low-k etch, a fluoropolymer deposited on a blanket, checkerboard low-k substrate was used as a model polymer.
The present study mainly focused on the effect of UV treatment and the concentration of active component in wet clean solution on the structure change of the polymer and the enhancement of polymer removal.
Polymer residues generated on the low-k sidewall of patterned structures consisting of a DUV photoresist/BARC/TiN/low-k dielectric/SiC single damascene were also utilized for this study.
Figure 5 shows the XPS C1s core-level spectra recorded from the sidewall of the patterned structure.

FTIR has previously been used to characterize the chemistry of wood[2-4] and determine lignin content in pulp, paper and wood [5].
Dence (Eds.), Methods in lignin chemistry,(1992) p.83.Berlin: Springer
C.Popescu, and Gh.Singurel, Cellulose Chemistry and Technology, Vol.40(2006),p. 649
Lv, Q.Cao and Y.Q.Xie,Chemistry and Industry of Forest Products, Vol.28 (2008),p66.
In Chinese [9] S.H.Yang : Plant Fiber Chemistry(China Light Industry Press ,2001).

Nguyen: Chemistry of Materials Vol. 22 (2010), p. 4153 [6] M.
Yang: Journal of Materials Chemistry Vol. 20 (2010), p. 9635 [7] Y.
Tour: Chemistry of Materials Vol. 21 (2009), p. 5284 [8] J.W.
Wu: Journal of Materials Chemistry Vol. 21 (2011), p. 7302 [15] J.
Rao: Journal of Materials Chemistry Vol. 18 (2008), p. 1517 [19] K.

The processing was performed using fluorine-based chemistry ionized in RIE (Reactive Ion Etching) or ICP (Inductively Coupled Plasma) discharge.
The specific chemical structure of silicones causes their processing more difficult than that of other polymers.
Regular drop shapes appear for polysiloxane treated using an ICP source and SF6 chemistry at elevated substrate holder temperature (see Fig. 6).
All the structures are entirely covered with biocompatible silicone rubber.
Sobczak from Institute of Physical Chemistry of PAS (Warsaw, Poland) for their cooperation.

It indicates that argillites chemistry has some peculiarities like high content of A2O3 – from 17 to 23 %, К2О – from 2,5 to 4,3 % and iron oxides from 4 to 7 %.
Argillites chemistry has some peculiarities like high content of Al2O3 – from 17 to 23 %, К2О – from 2.5 to 4.3 % and iron oxides from 4 to 7 %.
In addition to peculiarities of the raw material, reduction ratio and firing temperature have significant effect on water absorption capacity which is natural considering basic laws of physical chemistry of silicates [7, 8, 11].
Structure, structure and formation of properties, GEOS, Moscow, 2013
Fedorov, Physical chemistry of silicates and other refractory connections, Higher school, Moscow, 1988

Composition and structure of obtained coal-tar refined soft pitch is characterized.
This research provides important information about how to choose raw material of high performance pitch carbon fiber, meanwhile elementary research is also made on the change of the mesophase liquid crystal in physical chemistry and characteristic in optics. 2.
Journal of Fuel Chemistry and Technology.1984,12,348-359 [10] R.
Study on Thermal Regime Process and Microscopical Structure and Spinning for several Pitches and their Different Fractions.
Journal of Fuel Chemistry and Technology. 1981, 4, 353-358

Introduction Among the known conducting polymers, PANI is unique due to its easy synthesis, relative environmental stability and reversible acid-base chemistry in aqueous solutions [1, 2].
The morphology of the PANI synthesized in aqueous ethanol in the presence of PG is mainly nanofibers structure.
Macromolecular Chemistry and Physics.
Chemistry of Materials.
Journal of Polymer Science, Part A: Polymer Chemistry.

A novel stem-loop structured fluorescent oligoDNA probe (molecular beacon probe) bearing a silylated pyrene derivative at C-5 position of deoxyuridine has been synthesized.
The excimer signal is presumed to be attributed to the resolution of native stem-loop structure into a linear form.
On the other hand, the pyrene moieties are enabled for stacking interactions giving rise to excimer formation in more flexible single stranded structure.
Conclusion In conclusion, the modified oligoDNAs bearing silylated pyrene moiety at C-5 position of deoxyuridine in two consecutive positions were prepared using phosphoramidite chemistry.
Shinozuka, Chemistry Letters, 2010, 39,1254-1255

Amornsakchai 1 Department of Chemistry, Faculty of Science, Mahidol University, Rama VI Rd., Rajathevi, Bangkok 10400 Thailand a scsmj@mahidol.ac.th Keywords: Hydroxyapatie, Iron, Thermal property, Bioactivity, Vickers Microhardness Abstract.
Another area of interest caused by the substitution of elements in HAp structure is whether these elements can modify its structure and enhance the bioactivity of HAp.
In Fig. 2, IR spectra have confirmed that both HAp and HApFe are of a B-type apatite structure, hydroxyapatie containing a fraction of carbonate ions, CO32, substituted at the phosphate, PO43, sites in the structure.
The microstructure of the precipitate calcium phosphate on the HApFe surface displays a sponge liked structure with irregular pores.
Acknowledgment This work was supported by the Commission of Higher Education, Thailand Research Fund (Grant #MRG5080059) and the Center of Innovation in Chemistry: Postgraduate Education and Research Program in Chemistry (PERCH-CIC).

The secondary minimum depth on the total potential curve, that is, the ratio between the forces of attraction and repulsion, determines the coagulation structure strength.
The choice of the model system is due to the fact that continuous hydration processes take place in polymer-cement dispersions used for 3D printing, leading to the formation of a coagulation-condensation structure, and there is no pronounced structure formation as a result of hydration processes in a polymer-cream system (relatively similar in chemical composition).
Frolov, Course of Colloid Chemistry, Surface Phenomena and Disperse Systems, Chemistry, Moscow, 2004
Adam, Physics and Chemistry of Surfaces, Gostekhizdat, Moscow, 1947
Grodsky, Laboratory works and tasks in colloid chemistry, Chemistry, 1986