216 IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, VOL. MTT-26, NO, 3, MARCH 1978

Letters

Correction to

“Modal Theory of Spatially Periodic Media”

R. S. CHU AND J. A. KONG

In the above paper,l Figs. 5 and 6 are incorrect and should be

replaced by the following two figures.

100

80

60

(“/.)

b

Io40 --- 1,

20

00 2 345

v

F]g. 5

Manuscnut received December 8, 1977

t(%)60,40~

201

001 2345

v

Fig. 6

R. S. Chu n with the Communication Systems Division, GTE Sylvama, Inc.,

Needham, MA 02194,

J. A. Kong N with the Department of Electrical Engineering and Computer

Science and Research Laboratory of Electronics, Massachusetts Institute of Technol-

ogy, Cambridge, MA 02139.

1 R S, Chu and J. A Kong, IEEE Trans. Mtcrowaw? Theory Tech , vol. MTT-25,

pp. 18-25. Jan 1977

Correction to “High-Speed Computation of Single and

Conpled MicroStrip Parameters Including Dispersion,Higher Order Modes, Loss and Finite Strip Thickness”

ROLF H. JANSEN

In the above paper,l the. manuscript received and revised dates

were printed incorrectly. The dates should have read manuscript

received October 15, 1956: revised January 13, 1977.

Manuscript received January 9, 1978

The author M with the Instltut fur Hochfrequenztechmk Techmcal Umvers]ty of

Aachen. Aachen, Germany

‘ R. H Jansen, [EEE Trans Microwave Theory Tech,, ~ol MTT-26, pp. 75-82,

Feb. 1978.

0018 -9480/78 /0300-0216 $00.75 @ 1978 IEEE